Gaya APA

Waal, F, D. (2016). Are We Smart Enough to Know How Smart Animals Are? (Edisi 1). New York: W.W. Norton & Company.

Gaya MLA

Waal, Frans, De. "Are We Smart Enough to Know How Smart Animals Are?". Edisi 1 New York: W.W. Norton & Company, 2016. book.