APA (7th ed.) Citation

Carpenter, G. L., Dawson, T. . A., & Keller, S. J. (1975). Petroleum industry in Indiana. State of Indiana, Dept. of Natural Resources, Geological Survey.

Chicago Style (17th ed.) Citation

Carpenter, G. L., T. A. Dawson, and Stanley J. Keller. Petroleum Industry in Indiana. Bloomington: State of Indiana, Dept. of Natural Resources, Geological Survey, 1975.

MLA (9th ed.) Citation

Carpenter, G. L., et al. Petroleum Industry in Indiana. State of Indiana, Dept. of Natural Resources, Geological Survey, 1975.