Cita APA (7th ed.)

Rotman, J. J. (1979). An introduction to homological algebra. Academic Press.

Cita Chicago (17th ed.)

Rotman, Joseph J. An Introduction to Homological Algebra. Nueva York: Academic Press, 1979.

Cita MLA (9th ed.)

Rotman, Joseph J. An Introduction to Homological Algebra. Academic Press, 1979.