APA (7th ed.) Citation

Foster, A. L. (1951). Ring-logics and p-rings. University of California Press.

Chicago Style (17th ed.) Citation

Foster, Alfred L. Ring-logics and P-rings. Berkeley [u.a.]: University of California Press, 1951.

MLA (9th ed.) Citation

Foster, Alfred L. Ring-logics and P-rings. University of California Press, 1951.