APA Citatie

Cohen, L., & Ehrlich, G. Structure of the real number system. Van Nostrand reinhold company.

Chicago Style citaat

Cohen, Leon, en Gertrude Ehrlich. Structure of the Real Number System. New York: Van Nostrand reinhold company.

MLA citatie

Cohen, Leon, en Gertrude Ehrlich. Structure of the Real Number System. Van Nostrand reinhold company.