Cita APA

Blume, H. (1992). Colour atlas of the surface forms of the carth. Harvard U. Pr..

Citación estilo Chicago

Blume, Helmut. Colour Atlas of the Surface Forms of the Carth. Cambridge: Harvard U. Pr., 1992.

Cita MLA

Blume, Helmut. Colour Atlas of the Surface Forms of the Carth. Harvard U. Pr., 1992.