APA Citation

Bruhns, W. (1960). Petrographie. Berlin: Walter de Gruyter.

Chicago Style Citation

Bruhns, W. Petrographie. Berlin: Walter de Gruyter, 1960.

MLA Citation

Bruhns, W. Petrographie. Berlin: Walter de Gruyter, 1960.

Warning: These citations may not always be 100% accurate.