Citazione Stile APA (7a Edizione)

Hutchins, H. C. (1981). Examples of commutative rings (1a. ed.). Polygonal Publishing House.

Citazione stile Chigago Style (17a edizione)

Hutchins, Harry C. Examples of Commutative Rings. 1a. ed. Trenton: Polygonal Publishing House, 1981.

Citatione MLA (9a ed.)

Hutchins, Harry C. Examples of Commutative Rings. 1a. ed. Polygonal Publishing House, 1981.