APA (7th ed.) Citation

Pennsylvania. Bureau of Topographic and Geologic Survey & Pennsylvania. Department of Conservation and Natural Resources. (2000). Limestone and dolomite distribution in Pennsylvania (4th ed. 1990, 3rd print. rev. 2000.). Commonwealth of Pa., Dept. of Conservation and Natural Resources, Bureau of Topographic and Geologic Survey.

Chicago Style (17th ed.) Citation

Pennsylvania. Bureau of Topographic and Geologic Survey and Pennsylvania. Department of Conservation and Natural Resources. Limestone and Dolomite Distribution in Pennsylvania. 4th ed. 1990, 3rd print. rev. 2000. [Harrisburg]: Commonwealth of Pa., Dept. of Conservation and Natural Resources, Bureau of Topographic and Geologic Survey, 2000.

MLA (9th ed.) Citation

Pennsylvania. Bureau of Topographic and Geologic Survey and Pennsylvania. Department of Conservation and Natural Resources. Limestone and Dolomite Distribution in Pennsylvania. 4th ed. 1990, 3rd print. rev. 2000. Commonwealth of Pa., Dept. of Conservation and Natural Resources, Bureau of Topographic and Geologic Survey, 2000.