APA Edition Citation

Cohen Leon W. & Ehrlich, G. (1963). Structure of the real number system.

Chicago Edition Citation

Cohen Leon W. and Gertrude Ehrlich. Structure of the Real Number System. 1963.

MLA Edition Citation

Cohen Leon W. and Gertrude Ehrlich. Structure of the Real Number System. 1963.

Warning: These citations may not always be 100% accurate.