Παραπομπή APA

Kamke, E. (1950). Theory of sets ([1st American ed.].). Dover Publications.

Παραπομπή Chicago Style

Kamke, E. Theory of Sets. [1st American ed.]. New York: Dover Publications, 1950.

Παραπομπή MLA

Kamke, E. Theory of Sets. [1st American ed.]. Dover Publications, 1950.