Cita APA

Cramp, S. (1977). Handbook of the birds Europe the Middle East and North Africa: The birds of the Western Palearctic. Oxford: Oxford University.

Citación estilo Chicago

Cramp, Stanley. Handbook of the Birds Europe the Middle East and North Africa: The Birds of the Western Palearctic. Oxford: Oxford University, 1977.

Cita MLA

Cramp, Stanley. Handbook of the Birds Europe the Middle East and North Africa: The Birds of the Western Palearctic. Oxford: Oxford University, 1977.