Cita APA (7th ed.)

Eilenberg, S., & Norman Steenrod. (1952). Foundations of algebraic topology. Princeton University Press.

Cita Chicago (17th ed.)

Eilenberg, Samuel, i Norman Steenrod. Foundations of Algebraic Topology. Princeton: Princeton University Press, 1952.

Cita MLA (9th ed.)

Eilenberg, Samuel, i Norman Steenrod. Foundations of Algebraic Topology. Princeton University Press, 1952.