Cita APA

SALKIND, C. T., & EARL, J. M. (1961). Contest problem book III: Annual high school contests. 1966-1972. Washington, EE.UU: THE MATHEMATICAL ASSOCIATION OF AMERICA.

Citación estilo Chicago

SALKIND, Charles T., and James M. EARL. Contest Problem Book III: Annual High School Contests. 1966-1972. Washington, EE.UU: THE MATHEMATICAL ASSOCIATION OF AMERICA, 1961.

Cita MLA

SALKIND, Charles T., and James M. EARL. Contest Problem Book III: Annual High School Contests. 1966-1972. Washington, EE.UU: THE MATHEMATICAL ASSOCIATION OF AMERICA, 1961.