APA (7th ed.) Citation

Rüping, G. (1980). Potash deposits outside of North America. Fert. Soc.

Chicago Style (17th ed.) Citation

Rüping, G. Potash Deposits Outside of North America. London: Fert. Soc, 1980.

MLA (9th ed.) Citation

Rüping, G. Potash Deposits Outside of North America. Fert. Soc, 1980.