APA (7th ed.) Citation

Cohn, P. M. (1971). Free rings and their relations. Acad.Pr.

Chicago Style (17th ed.) Citation

Cohn, Paul M. Free Rings and Their Relations. London: Acad.Pr, 1971.

MLA (9th ed.) Citation

Cohn, Paul M. Free Rings and Their Relations. Acad.Pr, 1971.

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