Παραπομπή APA

Nriagu, J. O. (1980). Nickel in the environment. Wiley.

Παραπομπή Chicago Style

Nriagu, Jerome O. Nickel in the Environment. New York: Wiley, 1980.

Παραπομπή MLA

Nriagu, Jerome O. Nickel in the Environment. Wiley, 1980.