Section 9.30 and 9.34 describes including a DOI or URL for electronic resources. APA indicates to use a DOI if available.
R: Morewitz, S. J. (2006). Chronic diseases and health care: New trends in diabetes, arthritis, osteoporosis, fibromyalgia, low back pain, cardiovascular disease, and cancer. Springer. https://doi.org/10.1007/0-387-28779-5
P: (Morewitz, 2006, p. 252)
Items without a DOI from academic research databases such as EBSCOhost do not need a URL.
The first example is a book from EBSCOhost ebooks and does not require a URL.
R: Wolf, K. B. (2005). The poverty of riches: St. Francis of Assisi reconsidered. Oxford.
P: (Wolf, 2005, p. 45)
When citing an item freely available on the internet, such as Google Books, include the entire URL for the exact electronic book.
R: Habermas, G. (1996). The historical Jesus: Ancient evidence for the life of Christ. College Press. https://books.google.com/books/about/The_Historical_Jesus.html?id=pMMeqKHZIDkC
P. (Habermas, 1996, p. 56)
This example is for a book available through an ebook reader such as Kindle. The format is not mentioned. However, include a non-database URL if available.
R: Wright, N. T. (2010). Small faith---great God. InterVarsity Press.
P: (Wright, 2010, chapter 2)
