Citazione Stile APA (7a Edizione)

Fossum, R. M. (1975). Trivial extensions of abelian categories: Homological algebra to trivial extensions of abelian categories with applications to ring theory. Springer-Verlag.

Citazione stile Chigago Style (17a edizione)

Fossum, Robert M. Trivial Extensions of Abelian Categories: Homological Algebra to Trivial Extensions of Abelian Categories with Applications to Ring Theory. Berlín: Springer-Verlag, 1975.

Citatione MLA (9a ed.)

Fossum, Robert M. Trivial Extensions of Abelian Categories: Homological Algebra to Trivial Extensions of Abelian Categories with Applications to Ring Theory. Springer-Verlag, 1975.