APA (7th ed.) Citation

Mech, L. D. (1966). The wolves of Isle Royale. [U.S. Govt. Print. Off.].

Chicago Style (17th ed.) Citation

Mech, L. David. The Wolves of Isle Royale. [Washington]: [U.S. Govt. Print. Off.], 1966.

MLA (9th ed.) Citation

Mech, L. David. The Wolves of Isle Royale. [U.S. Govt. Print. Off.], 1966.