APA (7th ed.) Citation

Hutchins, H. C. (1981). Examples of commutative rings. Polygonal Publ. House.

Chicago Style (17th ed.) Citation

Hutchins, Harry C. Examples of Commutative Rings. Passaic, NJ: Polygonal Publ. House, 1981.

MLA (9th ed.) Citation

Hutchins, Harry C. Examples of Commutative Rings. Polygonal Publ. House, 1981.

Warning: These citations may not always be 100% accurate.