APA (7th ed.) Citation

United Nations Environmental Programme. (1991). Contaminants and marine mammals a review. UNEP.

Chicago Style (17th ed.) Citation

United Nations Environmental Programme. Contaminants and Marine Mammals a Review. Narrobi, Kenya: UNEP, 1991.

MLA (9th ed.) Citation

United Nations Environmental Programme. Contaminants and Marine Mammals a Review. UNEP, 1991.

Warning: These citations may not always be 100% accurate.