Cita APA (7th ed.)

Ore, O. (1948). Number theory and its history. McGraw-Hill.

Cita Chicago (17th ed.)

Ore, Oystein. Number Theory and Its History. Nueva York: McGraw-Hill, 1948.

Cita MLA (9th ed.)

Ore, Oystein. Number Theory and Its History. McGraw-Hill, 1948.