APA (7th ed.) Citation

Enochs, E. E. (2011). Relative homological algebra, Volume 1 (2nd rev. and extended ed.). De Gruyter.

Chicago Style (17th ed.) Citation

Enochs, Edgar E. Relative Homological Algebra, Volume 1. 2nd rev. and extended ed. Berlin: De Gruyter, 2011.

MLA (9th ed.) Citation

Enochs, Edgar E. Relative Homological Algebra, Volume 1. 2nd rev. and extended ed. De Gruyter, 2011.