APA (7th ed.) Citation

Geological Survey (U.S.). (1895). Circular concerning geologic folios. [publisher not identified].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). Circular Concerning Geologic Folios. [Washington]: [publisher not identified], 1895.

MLA (9th ed.) Citation

Geological Survey (U.S.). Circular Concerning Geologic Folios. [publisher not identified], 1895.

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