APA Citation

Hess, A. F., & Kirby, D. B. (1933). The Incidence of Xerophthalmia and Night-Blindness in the United States—A Gauge of Vitamin A Deficiency.

Chicago Style Citation

Hess, Alfred F., and Daniel B. Kirby. The Incidence of Xerophthalmia and Night-Blindness in the United States—A Gauge of Vitamin A Deficiency. 1933.

MLA Citation

Hess, Alfred F., and Daniel B. Kirby. The Incidence of Xerophthalmia and Night-Blindness in the United States—A Gauge of Vitamin A Deficiency. 1933.

Warning: These citations may not always be 100% accurate.