APA引文

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

Chicago Edition Citation

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

MLA引文

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