Cita APA (7a ed.)

Field, S., & Hoffman, A. (1996). Steps toself-determination: A curriculum to help adolescents learn to achieve their goals. Instructor's guide. Pro-Ed.

Cita Chicago Style (17a ed.)

Field, Sharon, y Alan Hoffman. Steps Toself-determination: A Curriculum to Help Adolescents Learn to Achieve Their Goals. Instructor's Guide. Austin: Pro-Ed, 1996.

Cita MLA (9a ed.)

Field, Sharon, y Alan Hoffman. Steps Toself-determination: A Curriculum to Help Adolescents Learn to Achieve Their Goals. Instructor's Guide. Pro-Ed, 1996.