APA (7th ed.) Citation

Whitehead, G. W. (1966). Homotopy theory. M.I.T. Press.

Chicago Style (17th ed.) Citation

Whitehead, George W. Homotopy Theory. Cambridge, Mass: M.I.T. Press, 1966.

MLA (9th ed.) Citation

Whitehead, George W. Homotopy Theory. M.I.T. Press, 1966.