Cita APA

Udo, R. K. (1982). The human geography of tropical Africa. Heinemann Educational Books.

Citación estilo Chicago

Udo, Reuben K. The Human Geography of Tropical Africa. Ibadan: Heinemann Educational Books, 1982.

Cita MLA

Udo, Reuben K. The Human Geography of Tropical Africa. Heinemann Educational Books, 1982.