Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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