APA (7th ed.) Citation

(1948). Number theory and its history (1st ed., 2nd impression.). McGraw-Hill Book Co..

Chicago Style (17th ed.) Citation

Number Theory and Its History. 1st ed., 2nd impression. New York: McGraw-Hill Book Co., 1948.

MLA (9th ed.) Citation

Number Theory and Its History. 1st ed., 2nd impression. McGraw-Hill Book Co., 1948.