Cita APA

Mackenzie, J. P., & Shortt, T. (1976). The complete outdoorsman's guide to birds of eastern North America. Toronto, Canadá: Pagurian Press Limited.

Citación estilo Chicago

Mackenzie, John P.S., y Terence Shortt. The Complete Outdoorsman's Guide to Birds of Eastern North America. Toronto, Canadá: Pagurian Press Limited, 1976.

Cita MLA

Mackenzie, John P.S., y Terence Shortt. The Complete Outdoorsman's Guide to Birds of Eastern North America. Toronto, Canadá: Pagurian Press Limited, 1976.