APA引文

Engel, W. (1939). Sensible dieting and the Engel vital calorie diets. A. A. Knopf.

芝加哥风格引文

Engel, William. Sensible Dieting and the Engel Vital Calorie Diets. New York & London: A. A. Knopf, 1939.

MLA引文

Engel, William. Sensible Dieting and the Engel Vital Calorie Diets. A. A. Knopf, 1939.

警告:这些引文格式不一定是100%准确.