APA (7th ed.) Citation

Johnston, D. M. (1981). The environmental law of the sea. IUCN.

Chicago Style (17th ed.) Citation

Johnston, Douglas M. The Environmental Law of the Sea. Gland, Switzerland: IUCN, 1981.

MLA (9th ed.) Citation

Johnston, Douglas M. The Environmental Law of the Sea. IUCN, 1981.