Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Eilenberg, Samuel, y Norman Steenrod. Foundations of Algebraic Topology. Nueva Jersey: Princeton University, 1952.

Cita MLA (9a ed.)

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