Cita APA (7th ed.)

Buchanan, K. M., & Pugh, J. C. (1966). Land and people in Nigeria: The human geography of Nigeria and its environmental background. University of London Press.

Cita Chicago (17th ed.)

Buchanan, Keith M., i John Charles Pugh. Land and People in Nigeria: The Human Geography of Nigeria and Its Environmental Background. [London]: University of London Press, 1966.

Cita MLA (9th ed.)

Buchanan, Keith M., i John Charles Pugh. Land and People in Nigeria: The Human Geography of Nigeria and Its Environmental Background. University of London Press, 1966.