Παραπομπή APA

Kniel, L., Winter, O., & Stork, K. (1980). Ethylene, keystone to the petrochemical industry. M. Dekker.

Παραπομπή Chicago Style

Kniel, Ludwig, Olaf Winter, και Karl Stork. Ethylene, Keystone to the Petrochemical Industry. New York: M. Dekker, 1980.

Παραπομπή MLA

Kniel, Ludwig, et al. Ethylene, Keystone to the Petrochemical Industry. M. Dekker, 1980.