Purdue University Online Writing Lab - Although this website has started to utilize advertisements and pop-ups, it's still probably the best APA resource online.
There are some free citation management software applications that assist with organizing and exporting citations. You can learn more about those applications on this WSU guide. Such applications although helpful, do operate on a garbage in/garbage out principal. Those applications are:
In-text Citations are the citations that happen within the body of your paper. Here are some different ways to create in-text citations.
One Work by One Author
Quimby (2000) compared monorail systems
In a recent study of monorail systems (Quimby, 2000)
In 2000 Quimby compared monorail systems
One Work by Multiple Authors
When a work has two authors, always cite both names every time the reference occurs in text.
As Smithers and Skinner (1993) demonstrated
...as has been shown (Nahasapeemapetilon & Ormand, 1989)
When a work has three, four, or five authors...
Cite all the authors the first time the reference occurs.
In subsequent citations, include only the surname of the first author followed by et al. (including the period)
Cite the year if it is the first citation of the reference within a paragraph.
Hibbert, Rivera, Monroe, Foster, Zweig, and Colossus (1994) found
[Use as first citation in the text]
Hibbert et al. (1994) found
[Use as subsequent first citation per paragraph thereafter.]
Citing a journal article that has one authors
Author, A. A. (Year). Title of article. Title of Periodical, volume number(issue number), pages. https://doi.org/xx.xxx/yyyy*
A DOI (digital object identifier) is the standard way that researchers share and link to articles. Including DOIs has become typical in APA for electronic articles.
DOIs are unique and persistent identifiers. Each DOI points to only one article. You can search DOIs in databases. DOIs are typically displayed within the article record.
Citing a journal article that has multiple authors
Author, A. A.. Bauthor, B.B., & Cauthor, C.C. (Year). Title of article. Title of Periodical, volume number(issue number), pages. https://doi.org/xx.xxx/yyyy
Author, A. A. (Year of publication). Title of work: Capital letter also for subtitle. Publisher Name.
Author, A. A., Bauthor, B.B., & Cauthor, C.C. (Year of publication). Title of work: Capital letter also for subtitle. Publisher Name.
Books with multiple editions
Author, A. A. (Year of publication). Title of work: Capital letter also for subtitle (edition). Publisher Name.
Chapter in edited book*
Author's name(s). (Year of publication). Entry title. In Editor(s) (Eds.).Title of book (pages). Publisher.