APA
Sullivan S. D., . (1994). Psychological and ethical ideas. Leiden: Brill.
Chicago
Sullivan Shirley Darcus, . 1994. Psychological and ethical ideas. Leiden: Brill.
Harvard
Sullivan S. D., . (1994). Psychological and ethical ideas. Leiden: Brill.
MLA
Sullivan Shirley Darcus, . Psychological and ethical ideas. Leiden: Brill. 1994.