APA استشهاد

Prasad, A. S., & Oberleas, D. (1976). Trace elements in human health and diseases. Academic Press.

استشهاد بنمط شيكاغو

Prasad, Ananda S., و Donald Oberleas. Trace Elements in Human Health and Diseases. New York: Academic Press, 1976.

MLA استشهاد

Prasad, Ananda S., و Donald Oberleas. Trace Elements in Human Health and Diseases. Academic Press, 1976.