APA (7th ed.) Citation

Gordon, R. D., & Skelley, P. E. (2007). A monograph of the aphodiini inhabiting the United States and Canada (Coleoptera: Scarabaeidae: Aphodiinae). American Entomological Institute.

Chicago Style (17th ed.) Citation

Gordon, Robert D., and Paul E. Skelley. A Monograph of the Aphodiini Inhabiting the United States and Canada (Coleoptera: Scarabaeidae: Aphodiinae). Gainesville, FL: American Entomological Institute, 2007.

MLA (9th ed.) Citation

Gordon, Robert D., and Paul E. Skelley. A Monograph of the Aphodiini Inhabiting the United States and Canada (Coleoptera: Scarabaeidae: Aphodiinae). American Entomological Institute, 2007.