APA (7th ed.) Citation

Cohn, P. M. (1985). Free rings and their relations (2. ed.). Acad. Press.

Chicago Style (17th ed.) Citation

Cohn, Paul M. Free Rings and Their Relations. 2. ed. London [u.a.]: Acad. Press, 1985.

MLA (9th ed.) Citation

Cohn, Paul M. Free Rings and Their Relations. 2. ed. Acad. Press, 1985.