APA (7th ed.) Citation

COHN, P. (1971). Free rings and their relations. Academic Pr..

Chicago Style (17th ed.) Citation

COHN, P.M. Free Rings and Their Relations. London: Academic Pr., 1971.

MLA (9th ed.) Citation

COHN, P.M. Free Rings and Their Relations. Academic Pr., 1971.

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