APA (7th ed.) Citation

Wetlands International, Delany, S., & Scott, D. A. (2002). Waterbird population estimates (third edition.). Wetlands International.

Chicago Style (17th ed.) Citation

Wetlands International, Simon,compilador Delany, and Derek A. Scott. Waterbird Population Estimates. third edition. United Kingdom: Wetlands International, 2002.

MLA (9th ed.) Citation

Wetlands International, et al. Waterbird Population Estimates. third edition. Wetlands International, 2002.