APA

Bruun B., Baha El-Din S., .Common Birds of Egypt. Cairo: The American University.

Chicago

Bruun Bertel, Baha El-Din Sherif, .Common Birds of Egypt. Cairo: The American University.

Harvard

Bruun B., Baha El-Din S., .Common Birds of Egypt. Cairo: The American University.

MLA

Bruun Bertel, Baha El-Din Sherif, .Cairo: The American University. .