Book and eBook
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. Do not include the place of publication.
Book with a Single Author
Engle, S. (2015). The hungry mind: The origins of curiosity in childhood. Harvard University Press.
Edited Book
Editor, A. A. (Ed.). (Year). Title of book. Publisher.
Chapter in an Edited Book
Shephered, S. (1988). Shakespeare's private drawer: Shakespeare and homosexuality. In G. Holderness (Ed.), The Shakespeare myth (pp. 96–110). Manchester University Press.
Entries in a Reference Book
Southeast Asia. (2003). In The new encyclopaedia Britannica: Macropedia (15th ed., Vol. 27, pp. 711–794). Encyclopaedia Britannica.