APA (7th ed.) Citation

Cohen, M. M. (1973). A course in simple homotopy theory. Springer-Verlag.

Chicago Style (17th ed.) Citation

Cohen, M. M. A Course in Simple Homotopy Theory. Nueva York: Springer-Verlag, 1973.

MLA (9th ed.) Citation

Cohen, M. M. A Course in Simple Homotopy Theory. Springer-Verlag, 1973.