APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Whitehead, George W. Elements of Homotopy Theory. New York u.a: Springer, 1978.

MLA (9th ed.) Citation

Whitehead, George W. Elements of Homotopy Theory. Springer, 1978.