(2011). ... western Gulf Coast mottled duck survey. USFWS Division of Migratory Birds, Branch of Population and Habitat Assessment.
Chicago Style (17th ed.) Citation... Western Gulf Coast Mottled Duck Survey. [Laurel, Md.]: USFWS Division of Migratory Birds, Branch of Population and Habitat Assessment, 2011.
MLA (9th ed.) Citation... Western Gulf Coast Mottled Duck Survey. USFWS Division of Migratory Birds, Branch of Population and Habitat Assessment, 2011.
Warning: These citations may not always be 100% accurate.