APA (7th ed.) Citation

U.S. Fish and Wildlife Service. Office of Migratory Bird Management & Johnson, F. A. (1999). Framework-date extensions for duck hunting in the United States: Supplemental assessment. U.S. Fish and Wildlife Service, Office of Migratory Bird Management.

Chicago Style (17th ed.) Citation

U.S. Fish and Wildlife Service. Office of Migratory Bird Management and Fred A. Johnson. Framework-date Extensions for Duck Hunting in the United States: Supplemental Assessment. Arlington, Va.: U.S. Fish and Wildlife Service, Office of Migratory Bird Management, 1999.

MLA (9th ed.) Citation

U.S. Fish and Wildlife Service. Office of Migratory Bird Management and Fred A. Johnson. Framework-date Extensions for Duck Hunting in the United States: Supplemental Assessment. U.S. Fish and Wildlife Service, Office of Migratory Bird Management, 1999.