APA (7th ed.) Citation

Zassenhaus, H. (1958). The theory of groups (2d ed.). Chelsea Pub.

Chicago Style (17th ed.) Citation

Zassenhaus, Hans. The Theory of Groups. 2d ed. New York: Chelsea Pub, 1958.

MLA (9th ed.) Citation

Zassenhaus, Hans. The Theory of Groups. 2d ed. Chelsea Pub, 1958.