APA (7th ed.) Citation

McBirney, A., & Lorenz, V. (2003). Karl Sapper: Geologist, ethnologist and naturalist.

Chicago Style (17th ed.) Citation

McBirney, Alexander, and Volker Lorenz. Karl Sapper: Geologist, Ethnologist and Naturalist. 2003.

MLA (9th ed.) Citation

McBirney, Alexander, and Volker Lorenz. Karl Sapper: Geologist, Ethnologist and Naturalist. 2003.

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