APA (7th ed.) Citation

WALLACE, A. H. (1957). An introduction to algebraic topology. Pergamon Press.

Chicago Style (17th ed.) Citation

WALLACE, Andrew H. An Introduction to Algebraic Topology. Oxford: Pergamon Press, 1957.

MLA (9th ed.) Citation

WALLACE, Andrew H. An Introduction to Algebraic Topology. Pergamon Press, 1957.