APA (7th ed.) Citation

Kennedy, W., Cobban, W., Elder, W., & Kirkland, J. (1999). Lower Turonian (Upper Cretaceous) Watinoceras devonense Zone ammonite fauna in Colorado, USA.

Chicago Style (17th ed.) Citation

Kennedy, W., W. Cobban, W. Elder, and J. Kirkland. Lower Turonian (Upper Cretaceous) Watinoceras Devonense Zone Ammonite Fauna in Colorado, USA. 1999.

MLA (9th ed.) Citation

Kennedy, W., et al. Lower Turonian (Upper Cretaceous) Watinoceras Devonense Zone Ammonite Fauna in Colorado, USA. 1999.