APA (7th ed.) Citation

Cohen, L. W., & Ehrlich, G. (1963). The structure of the real number system. Van Nostrand.

Chicago Style (17th ed.) Citation

Cohen, Leon W., and Gertrude Ehrlich. The Structure of the Real Number System. Princeton, New Jersey: Van Nostrand, 1963.

MLA (9th ed.) Citation

Cohen, Leon W., and Gertrude Ehrlich. The Structure of the Real Number System. Van Nostrand, 1963.