Cita APA

Martin, R. R. (1972). The key to the physical structure of the earth the lagos in geography. Detroit: Harlo Press.

Citación estilo Chicago

Martin, Roland R. The Key to the Physical Structure of the Earth the Lagos in Geography. Detroit: Harlo Press, 1972.

Cita MLA

Martin, Roland R. The Key to the Physical Structure of the Earth the Lagos in Geography. Detroit: Harlo Press, 1972.