APA (7th ed.) Citation

Salkind, C. T., & Earl, J. M. (1973). The contest problem book III: Annual high school contests 1966-1972. Mathematical association of America.

Chicago Style (17th ed.) Citation

Salkind, Charles T., and James M. Earl. The Contest Problem Book III: Annual High School Contests 1966-1972. [Washington]: Mathematical association of America, 1973.

MLA (9th ed.) Citation

Salkind, Charles T., and James M. Earl. The Contest Problem Book III: Annual High School Contests 1966-1972. Mathematical association of America, 1973.