APA

Cramp S., . (1983). Handbook of the birds of Europe, the Middle East and North Africa. Oxford: Oxford University Press.

Chicago

Cramp Stanley, . 1983. Handbook of the birds of Europe, the Middle East and North Africa. Oxford: Oxford University Press.

Harvard

Cramp S., . (1983). Handbook of the birds of Europe, the Middle East and North Africa. Oxford: Oxford University Press.

MLA

Cramp Stanley, . Handbook of the birds of Europe, the Middle East and North Africa. Oxford: Oxford University Press. 1983.