Style de citation APA (7e éd.)

Austen, R. A., & Derrick, J. (1999). Middlemen of the Cameroons Rivers: The Duala and their hinterland, c.1600-c.1960. Cambridge University Press.

Style de citation Chicago (17e éd.)

Austen, Ralph A., et Jonathan Derrick. Middlemen of the Cameroons Rivers: The Duala and Their Hinterland, C.1600-c.1960. Cambridge ; New York: Cambridge University Press, 1999.

Style de citation MLA (8e éd.)

Austen, Ralph A., et Jonathan Derrick. Middlemen of the Cameroons Rivers: The Duala and Their Hinterland, C.1600-c.1960. Cambridge University Press, 1999.