APA (7th ed.) Zitazioa

Haig, M. (2016). Reasons to stay alive. Penguin Books.

Chicago Style (17th ed.) Zitazioa

Haig, Matt. Reasons to Stay Alive. New York: Penguin Books, 2016.

MLA (9th ed.) Zitazioa

Haig, Matt. Reasons to Stay Alive. Penguin Books, 2016.