APA ציטוט

Levinson,Norman. (1940). American Mathematical Society Colloquium Publications Volum XXVI (1940.). American Mathematical Society.

Chicago Edition Citation

Levinson,Norman. American Mathematical Society Colloquium Publications Volum XXVI. 1940. New York: American Mathematical Society, 1940.

ציטוט MLA

Levinson,Norman. American Mathematical Society Colloquium Publications Volum XXVI. 1940. American Mathematical Society, 1940.