Engel, G. L. (1962). Psychological development in health and disease. Saunders.
芝加哥风格引文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.
警告：这些引文格式不一定是100％准确.