APA (7th ed.) Citation

United States. Forest Service, Xerces Society, & Butterfly Conservation Initiative. (2014). Monarch butterflies, eastern United States. Florida Museum of Natural History.

Chicago Style (17th ed.) Citation

United States. Forest Service, Xerces Society, and Butterfly Conservation Initiative. Monarch Butterflies, Eastern United States. Gainesville, FL: Florida Museum of Natural History, 2014.

MLA (9th ed.) Citation

United States. Forest Service, et al. Monarch Butterflies, Eastern United States. Florida Museum of Natural History, 2014.