APA (7th ed.) Citation

(2013). Sacramento National Wildlife Refuge, wetlands walk trail guide. U.S. Fish and Wildlife Service.

Chicago Style (17th ed.) Citation

Sacramento National Wildlife Refuge, Wetlands Walk Trail Guide. Willows, California: U.S. Fish and Wildlife Service, 2013.

MLA (9th ed.) Citation

Sacramento National Wildlife Refuge, Wetlands Walk Trail Guide. U.S. Fish and Wildlife Service, 2013.