Cita APA

Gerken, C. d. (1953). Study your way through school (New, rev. version.). Science Research Associates.

Citación estilo Chicago

Gerken, C. d'A. Study Your Way Through School. New, rev. version. Chicago: Science Research Associates, 1953.

Cita MLA

Gerken, C. d'A. Study Your Way Through School. New, rev. version. Science Research Associates, 1953.