APA (7th ed.) Citation

Young, K., Caran, S. C., & Ewing, T. E. (1982). Cretaceous volcanism in the Austin area, Texas: Austin Geological Society, Spring, 1981 field trip (Rev. ed.). Austin Geological Society.

Chicago Style (17th ed.) Citation

Young, Keith, S. Christopher Caran, and Thomas E. Ewing. Cretaceous Volcanism in the Austin Area, Texas: Austin Geological Society, Spring, 1981 Field Trip. Rev. ed. Austin, Tex.: Austin Geological Society, 1982.

MLA (9th ed.) Citation

Young, Keith, et al. Cretaceous Volcanism in the Austin Area, Texas: Austin Geological Society, Spring, 1981 Field Trip. Rev. ed. Austin Geological Society, 1982.