APA

Zimmermann Emil, Bevan E. R., . (1918). The German empire of Central Africa as the basis of a new German world policy. New York: George H. Doran company.

Chicago

Zimmermann Emil, Bevan Edwyn Robert, . 1918. The German empire of Central Africa as the basis of a new German world policy. New York: George H. Doran company.

Harvard

Zimmermann Emil, Bevan E. R., . (1918). The German empire of Central Africa as the basis of a new German world policy. New York: George H. Doran company.

MLA

Zimmermann Emil, Bevan Edwyn Robert, . The German empire of Central Africa as the basis of a new German world policy. New York: George H. Doran company. 1918.