Structure:
Author(s) of Book. (year of publication). Complete title of book (edition if not 1st). Publisher(s).
Example:
Bader, C. D., Baker, J. O., & Mencken, F. C. (2017). Paranormal America: Ghost encounters, UFO sightings, bigfoot hunts, and other curiosities in religion and culture (2nd ed.). New York University Press.