APA
(1991). Bulletin of Environmental Contamination and Toxicology. New York: Academic Press.
Chicago
1991. Bulletin of Environmental Contamination and Toxicology. New York: Academic Press.
Harvard
(1991). Bulletin of Environmental Contamination and Toxicology. New York: Academic Press.
MLA
Bulletin of Environmental Contamination and Toxicology. New York: Academic Press. 1991.
