APA (7th ed.) Citation

Enochs, E. E., & Jenda, O. M. G. (2011). Relative homological algebra (Second revised and extended edition.). De Gruyter.

Chicago Style (17th ed.) Citation

Enochs, Edgar E., and Overtoun M. G. Jenda. Relative Homological Algebra. Second revised and extended edition. Berlin ; Boston: De Gruyter, 2011.

MLA (8th ed.) Citation

Enochs, Edgar E., and Overtoun M. G. Jenda. Relative Homological Algebra. Second revised and extended edition. De Gruyter, 2011.