APA (7th ed.) Citation

Chen, C. (2006). Birds at Topock Marsh. [U.S. Bureau of Reclamation].

Chicago Style (17th ed.) Citation

Chen, Chi. Birds at Topock Marsh. [Washington, D.C.]: [U.S. Bureau of Reclamation], 2006.

MLA (9th ed.) Citation

Chen, Chi. Birds at Topock Marsh. [U.S. Bureau of Reclamation], 2006.