APA (7th ed.) Citation

Törner, G., & Veldkamp, F. D. (1990). Literature on geometry over rings.

Chicago Style (17th ed.) Citation

Törner, Günter, and Ferdinand D. Veldkamp. Literature on Geometry over Rings. Duisburg, 1990.

MLA (9th ed.) Citation

Törner, Günter, and Ferdinand D. Veldkamp. Literature on Geometry over Rings. 1990.