APA Edition Citation

Salkind, C., & Earl, J. (1973). Contest problem book. mathematical association of America.

Chicago Edition Citation

Salkind, Charles, and James Earl. Contest Problem Book. mathematical association of America, 1973.

MLA Edition Citation

Salkind, Charles, and James Earl. Contest Problem Book. mathematical association of America, 1973.

Warning: These citations may not always be 100% accurate.