Citazione Stile APA (7a Edizione)

Underwood, E. J. (1956). Trace elements in human and animal nutrition. Academic Press Inc.

Citazione stile Chigago Style (17a edizione)

Underwood, Eric J. Trace Elements in Human and Animal Nutrition. New York: Academic Press Inc, 1956.

Citatione MLA (9a ed.)

Underwood, Eric J. Trace Elements in Human and Animal Nutrition. Academic Press Inc, 1956.