APA (7th ed.) Citation

Willard, B. (1939). Guide to the geology from Dauphin to Sunbury. Department of Internal Affairs, Topographic and Geologic Survey.

Chicago Style (17th ed.) Citation

Willard, Bradford. Guide to the Geology from Dauphin to Sunbury. Harrisburg, Pa.: Department of Internal Affairs, Topographic and Geologic Survey, 1939.

MLA (8th ed.) Citation

Willard, Bradford. Guide to the Geology from Dauphin to Sunbury. Department of Internal Affairs, Topographic and Geologic Survey, 1939.

Warning: These citations may not always be 100% accurate.