APA (7th ed.) Citation

Lucas, R. W. (1994). Effective interpersonal relationships. Irwin u.a.

Chicago Style (17th ed.) Citation

Lucas, Robert W. Effective Interpersonal Relationships. Burr Ridge, Ill. u.a: Irwin u.a, 1994.

MLA (9th ed.) Citation

Lucas, Robert W. Effective Interpersonal Relationships. Irwin u.a, 1994.