APA (7th ed.) Citation

Geological Survey (U.S.), Hejl, H. R., Slade, R. M., & Jennings, M. E. (1996). Floods in central Texas, December 1991. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), H. R. Hejl, R. M. Slade, and Marshall E. Jennings. Floods in Central Texas, December 1991. Austin, Tex.: The Survey, 1996.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Floods in Central Texas, December 1991. The Survey, 1996.