APA (7th ed.) Citation

Maryland Geological Survey, Williams and Heintz Map Corporation, Otton, E. G., Crowley, W. P., Cleaves, E. T., & Kuff, K. R. (1975). Cockeysville quadrangle--geology, hydrology, and mineral resources. State of Md., Dept. of Natural Resources, Md. Geological Survey.

Chicago Style (17th ed.) Citation

Maryland Geological Survey, Williams and Heintz Map Corporation, E. G. Otton, William Patrick Crowley, Emery T. Cleaves, and Karen R. Kuff. Cockeysville Quadrangle--geology, Hydrology, and Mineral Resources. Baltimore: State of Md., Dept. of Natural Resources, Md. Geological Survey, 1975.

MLA (9th ed.) Citation

Maryland Geological Survey, et al. Cockeysville Quadrangle--geology, Hydrology, and Mineral Resources. State of Md., Dept. of Natural Resources, Md. Geological Survey, 1975.