APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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