APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

Cohen, Leon W., en Gertrude Ehrlich. The Structure of the Real Number System. Princeton, N.J.: Van Nostrand, 1963.

MLA (8e ed.) Bronvermelding

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