APA (7th ed.) Citation

(2016). History of the federal duck stamp: Conserving habitat for birds and people (Last update July 7, 2016.). U.S. Fish and Wildlife Service, Migratory Bird Program.

Chicago Style (17th ed.) Citation

History of the Federal Duck Stamp: Conserving Habitat for Birds and People. Last update July 7, 2016. [Washington, D.C.]: U.S. Fish and Wildlife Service, Migratory Bird Program, 2016.

MLA (9th ed.) Citation

History of the Federal Duck Stamp: Conserving Habitat for Birds and People. Last update July 7, 2016. U.S. Fish and Wildlife Service, Migratory Bird Program, 2016.