Citace podle APA (7th ed.)

Simpson, A. (1954). The Nigerian coalfield: The geology of parts of Onitsha, Owerri, and Benue Provinces. By authority of the Nigerian Govt..

Citace podle Chicago (17th ed.)

Simpson, A. The Nigerian Coalfield: The Geology of Parts of Onitsha, Owerri, and Benue Provinces. [Zaria]: By authority of the Nigerian Govt., 1954.

Citace podle MLA (8th ed.)

Simpson, A. The Nigerian Coalfield: The Geology of Parts of Onitsha, Owerri, and Benue Provinces. By authority of the Nigerian Govt., 1954.

Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..