APA (7th ed.) Citation

Mathews, G. B. (1961). Theory of numbers ([2d ed.].). Chelsea Pub. Co..

Chicago Style (17th ed.) Citation

Mathews, G. B. Theory of Numbers. [2d ed.]. New York: Chelsea Pub. Co., 1961.

MLA (8th ed.) Citation

Mathews, G. B. Theory of Numbers. [2d ed.]. Chelsea Pub. Co., 1961.