APA引文

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引文

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

警告：這些引文格式不一定是100％准確.