APA (7th ed.) Citation

Wells, S. M., & Price, A. R. G. (1992). Coral reefs: Valuable but vulnerable. World Wide Fund for Nature.

Chicago Style (17th ed.) Citation

Wells, S. M., and A. R. G. Price. Coral Reefs: Valuable but Vulnerable. Gland, Switzerland: World Wide Fund for Nature, 1992.

MLA (9th ed.) Citation

Wells, S. M., and A. R. G. Price. Coral Reefs: Valuable but Vulnerable. World Wide Fund for Nature, 1992.

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