APA (7th ed.) Citation

Hopf, G. M. (2014). The end: A postapocalyptic novel. Plume Books.

Chicago Style (17th ed.) Citation

Hopf, G. Michael. The End: A Postapocalyptic Novel. New York: Plume Books, 2014.

MLA (9th ed.) Citation

Hopf, G. Michael. The End: A Postapocalyptic Novel. Plume Books, 2014.