APA style is usually used in Social Sciences and Psychology and is an author-date system. APA stands for the American Psychological Association.
Big Picture
APA style features in-text parenthetical citations, with a focus on author/date, and a corresponding Reference page.
In-Text Citations
In-Text Citations: The Basics (OWL Purdue)
In-Text Citations: Author/Authors (OWL Purdue)
When and How to Include Page Numbers in APA Style Citations (APA Blog)
Citing References in Text (Basics of APA Style Tutorial)
Reference List ...
Reference List: Basic Rules (OWL Purdue)
Reference List: Author/Authors (OWL Purdue)
Single Episode of a TV Show
Writer, W. W. (Writer), & Director, D. D. (Director). (Date of publication). Title of episode [Television series episode]. In P. Producer (Producer), Series title. City, state of origin: Studio or distributor.
Music Recording
Songwriter, W. W. (Date of copyright). Title of song [Recorded by artist if different from song writer]. On Title of album [Medium of recording]. Location: Label. (Recording date if different from copyright date).
Journal Article with DOI
Author, A. A., & Author, B. B. (Date of publication). Title of article. Title of Journal, volume number, page range. doi:0000000/000000000000 or http://doi.org/10.0000/0000
Journal Article without DOI
Author, A. A., & Author, B. B. (Date of publication). Title of article. Title of Journal, volume number. Retrieved from http://www.journalhomepage.com/full/url/
Note: Make sure to double-space and have a hanging indent.