Cita APA (7th ed.)

Salkind, C. T. (1961). The contest problem book: Problems from the annual high school contests of the mathematical association of America. Random House.

Cita Chicago (17th ed.)

Salkind, Charles T. The Contest Problem Book: Problems from the Annual High School Contests of the Mathematical Association of America. New York: Random House, 1961.

Cita MLA (9th ed.)

Salkind, Charles T. The Contest Problem Book: Problems from the Annual High School Contests of the Mathematical Association of America. Random House, 1961.