Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Eilenberg, Samuel, y Norman Earl Steenrod. Foundations of Algebraic Topology. Princeton, N.J.: Princeton University Press, 1952.

Cita MLA (8a ed.)

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