Cita APA

Blume, H. (1992). Colour atlas of the surface forms of the earth. Belhaven Press.

Citación estilo Chicago

Blume, Helmut. Colour Atlas of the Surface Forms of the Earth. London: Belhaven Press, 1992.

Cita MLA

Blume, Helmut. Colour Atlas of the Surface Forms of the Earth. London: Belhaven Press, 1992.