APA (7th ed.) Citation

Northcott, D. G. (1973). A first course of homological algebra. Cambridge University Press.

Chicago Style (17th ed.) Citation

Northcott, D. G. A First Course of Homological Algebra. Londres: Cambridge University Press, 1973.

MLA (9th ed.) Citation

Northcott, D. G. A First Course of Homological Algebra. Cambridge University Press, 1973.