Cita APA (7th ed.)

Friedberg, R. (1994). An adventurer's guide to number theory. Dover.

Cita Chicago (17th ed.)

Friedberg, Richard. An Adventurer's Guide to Number Theory. Nueva York: Dover, 1994.

Cita MLA (9th ed.)

Friedberg, Richard. An Adventurer's Guide to Number Theory. Dover, 1994.