Cita APA (7th ed.)

Mac Lane, S. (1963). Homology. Springer-Verlag.

Cita Chicago (17th ed.)

Mac Lane, Saunders. Homology. Berlín: Springer-Verlag, 1963.

Cita MLA (9th ed.)

Mac Lane, Saunders. Homology. Springer-Verlag, 1963.