The 7th edition of APA does not differentiate between the format of the books, print or electronic. Cite both the same way. If you have an open-access eBook, you may provide the URL at the end, provided it directly takes you to the full text without logging in.
Author, A. A. (Year). Title of book. Publisher. https://XXXXXX
George, M. W. (2008). The elements of library research: What every student needs to know. Princeton University Press.
In-Text Citation: (George, 2008)
Source: Publication Manual, 10.2 (examples 20-26)
Author, A. A., Author B. B., & Author, C. C. (Year). Title of article. Title of Journal, Volume(Issue), pages–pages. https://doi.org/XXXXXXXXXXX
Reed, M. J., Kennett, D. J., Lewis, T., Lund-Lucas, E., Stallberg, C., & Newbold, I. L. (2009). The relative effects of university success courses and individualized interventions for students with learning disabilities. Higher Education Research & Development, 28(4), 385–400. https://doi.org/10.1080/07294360903067013
(Reed et al., 2009)
Sources: Publication Manual, 10.1 (examples 1-6)
Online Videos (e.g. YouTube, TED)
Use this for videos posted on websites or blogs, such as YouTube, TED, a news website, etc. If you are citing a direct quotation from a video, you can use the time stamp in place of a page number within the in-text citation (see Example 1).
Author, A. A. [username]. (Year, Month Day). Title of video [Video]. Website. http://xxxxx
Jones, P. [patrickJMT]. (2009, October 24). Easily memorize the unit circle [Video]. YouTube. http://www.youtube.com/watch?v=03McKEg9ASA
In-Text Citation: (Jones, 2009, 1:15)
Note:If citing from the TED website, list the speaker as the author. If citing from YouTube, list TED (or the account) as the author and include the speaker's name in the title.
Sources: Publication Manual, 9.8 and 10.12 (examples 88 and 90)