APA (7th ed.) Citation

Bastin, E. S., Brown, C. W., & Smith, G. O. (1907). Geologic atlas of U.S.: Penobscot Bay folio, Maine. [s.n.].

Chicago Style (17th ed.) Citation

Bastin, Edson S., Charles W. Brown, and George O. Smith. Geologic Atlas of U.S.: Penobscot Bay Folio, Maine. Washington, D.C.: [s.n.], 1907.

MLA (8th ed.) Citation

Bastin, Edson S., et al. Geologic Atlas of U.S.: Penobscot Bay Folio, Maine. [s.n.], 1907.

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