Style de citation APA (7e éd.)
Helvarg, D. (2005). The Ocean and Costal Conservation Guide: The Blue Movement Directory. OISLAND PRESS.
Style de citation Chicago (17e éd.)
Helvarg, David. The Ocean and Costal Conservation Guide: The Blue Movement Directory. Washington DC: OISLAND PRESS, 2005.
Style de citation MLA (9e éd.)
Helvarg, David. The Ocean and Costal Conservation Guide: The Blue Movement Directory. OISLAND PRESS, 2005.
Attention : ces citations peuvent ne pas être correctes à 100%.