APA (7th ed.) Citation

Schmidt, K. (1972). Erdgeschichte. de Gruyter.

Chicago Style (17th ed.) Citation

Schmidt, Klaus. Erdgeschichte. Berlin [u.a.]: de Gruyter, 1972.

MLA (9th ed.) Citation

Schmidt, Klaus. Erdgeschichte. de Gruyter, 1972.

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