APA (7th ed.) Citation

Becker, G. F., Lindgren, W., & Turner, H. W. (1894). Geologic atlas of U.S.: Placerville folio, California. [s.n.].

Chicago Style (17th ed.) Citation

Becker, G. F., Waldemar Lindgren, and H. W. Turner. Geologic Atlas of U.S.: Placerville Folio, California. Washington, D.C.: [s.n.], 1894.

MLA (8th ed.) Citation

Becker, G. F., et al. Geologic Atlas of U.S.: Placerville Folio, California. [s.n.], 1894.