APA (7th ed.) Citation

Williams, J. F., Otton, E. G., & Hilleary, J. T. (1981). Hydrogeologic atlas, Finksburg quadrangle, Carroll County, Maryland. Maryland Geological Survey.

Chicago Style (17th ed.) Citation

Williams, James Frank, E. G. Otton, and John T. Hilleary. Hydrogeologic Atlas, Finksburg Quadrangle, Carroll County, Maryland. [Baltimore, Md.]: Maryland Geological Survey, 1981.

MLA (9th ed.) Citation

Williams, James Frank, et al. Hydrogeologic Atlas, Finksburg Quadrangle, Carroll County, Maryland. Maryland Geological Survey, 1981.