Cita APA

Rotman, J. J. (2009). An introduction to homological algebra .-2nd ed. (2nd ed.). Springer.

Chicago Edition Citation

Rotman, Joseph J. An Introduction to Homological Algebra .-2nd Ed. 2nd ed. New York, NY: Springer, 2009.

Cita MLA

Rotman, Joseph J. An Introduction to Homological Algebra .-2nd Ed. 2nd ed. Springer, 2009.