Cita APA

Obaje, N. G. (2009). Geology and Mineral Resources of Nigeria (1st ed. 2009.). Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer.

Citación estilo Chicago

Obaje, Nuhu George. Geology and Mineral Resources of Nigeria. 1st ed. 2009. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2009.

Cita MLA

Obaje, Nuhu George. Geology and Mineral Resources of Nigeria. 1st ed. 2009. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2009.