APA Citation

Cohn, P. M. (1971). Free Rings and Their Relations. London: Academic Press.

Chicago Style Citation

Cohn, P. M. Free Rings and Their Relations. London: Academic Press, 1971.

MLA Citation

Cohn, P. M. Free Rings and Their Relations. London: Academic Press, 1971.

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