APA (7th ed.) Citation

ZASSENHAUS, H. J. (1958). The theory of groups (2nd ed.). Chelsea.

Chicago Style (17th ed.) Citation

ZASSENHAUS, Hans J. The Theory of Groups. 2nd ed. New York: Chelsea, 1958.

MLA (9th ed.) Citation

ZASSENHAUS, Hans J. The Theory of Groups. 2nd ed. Chelsea, 1958.