Cita APA (7a ed.)

Jacoby, O. (1962). Mathematics for pleasure. McGraw-Hill.

Cita Chicago Style (17a ed.)

Jacoby, Oswald. Mathematics for Pleasure. New York [etc.]: McGraw-Hill, 1962.

Cita MLA (9a ed.)

Jacoby, Oswald. Mathematics for Pleasure. McGraw-Hill, 1962.