APA引文

Engel, G. L. (1962). Psychological development in health and disease. Saunders.

Chicago Style (17th ed.) Citation

Engel, George Libman. Psychological Development in Health and Disease. Philadelphia: Saunders, 1962.

MLA引文

Engel, George Libman. Psychological Development in Health and Disease. Saunders, 1962.