Cita APA (7th ed.)

Watson, D. L. (1989). Self-directed behavior: Self-modification for personal adjustment (5th ed.). Brooks/Cole.

Cita Chicago (17th ed.)

Watson, David L. Self-directed Behavior: Self-modification for Personal Adjustment. 5th ed. Pacific Grove, Calif: Brooks/Cole, 1989.

Cita MLA (9th ed.)

Watson, David L. Self-directed Behavior: Self-modification for Personal Adjustment. 5th ed. Brooks/Cole, 1989.