APA (7th ed.) Citation

Enochs, E. E., & Jenda, O. M. G. Relative homological algebra. de Gruyter.

Chicago Style (17th ed.) Citation

Enochs, Edgar E., and Overtoun M. G. Jenda. Relative Homological Algebra. Berlin [u.a.]: de Gruyter.

MLA (9th ed.) Citation

Enochs, Edgar E., and Overtoun M. G. Jenda. Relative Homological Algebra. de Gruyter.