Style de citation APA (7e éd.)

Não informado. (1953). Northeast Africa series. American University Field Staff.

Style de citation Chicago (17e éd.)

Não informado. Northeast Africa Series. New York: American University Field Staff, 1953.

Style de citation MLA (8e éd.)

Não informado. Northeast Africa Series. American University Field Staff, 1953.

Attention : ces citations peuvent ne pas être correctes à 100%.