Cita APA (7th ed.)

Ore, Ø. (1967). Invitation to number theory. Mathematical Association of America.

Cita Chicago (17th ed.)

Ore, Øystein. Invitation to Number Theory. Washington, D.C.: Mathematical Association of America, 1967.

Cita MLA (9th ed.)

Ore, Øystein. Invitation to Number Theory. Mathematical Association of America, 1967.