Cita APA (7th ed.)

Mech, D. (1966). The wolves of isle royale. United States Government Printing Office.

Cita Chicago (17th ed.)

Mech, David. The Wolves of Isle Royale. Washington: United States Government Printing Office, 1966.

Cita MLA (9th ed.)

Mech, David. The Wolves of Isle Royale. United States Government Printing Office, 1966.