Cita APA

Liebert, R. M. 1., & Spiegler, M. D. (1994). Personality: Strategies and issues (7. edition.). Pacific Grove, Calif.: Brooks/Cole.

Citación estilo Chicago

Liebert, Robert M. 1942-, y Michael D. Spiegler. Personality: Strategies and Issues. 7. edition. Pacific Grove, Calif.: Brooks/Cole, 1994.

Cita MLA

Liebert, Robert M. 1942-, y Michael D. Spiegler. Personality: Strategies and Issues. 7. edition. Pacific Grove, Calif.: Brooks/Cole, 1994.