APA (7th ed.) Citation

Whitehead, G. W. (1978). Elements of homotopy theory. Springer-Verlag.

Chicago Style (17th ed.) Citation

Whitehead, George William. Elements of Homotopy Theory. New York: Springer-Verlag, 1978.

MLA (9th ed.) Citation

Whitehead, George William. Elements of Homotopy Theory. Springer-Verlag, 1978.