APA (7th ed.) Citation

Richter, M., & Richter, D. (1981). Geologie (4. Aufl.). Westermann.

Chicago Style (17th ed.) Citation

Richter, Max, and Dieter Richter. Geologie. 4. Aufl. Braunschweig: Westermann, 1981.

MLA (9th ed.) Citation

Richter, Max, and Dieter Richter. Geologie. 4. Aufl. Westermann, 1981.

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