APA

Nilsen T. H., United States Geological Survey, . (1987). Stratigraphy and sedimentology of the Eocene Tejon Formation, western Tehachapi and San Emigdio Mountains, California. Washington, Dc: US Gov. Print. Office.

Chicago

Nilsen Tor Helge, United States Geological Survey, . 1987. Stratigraphy and sedimentology of the Eocene Tejon Formation, western Tehachapi and San Emigdio Mountains, California. Washington, Dc: US Gov. Print. Office.

Harvard

Nilsen T. H., United States Geological Survey, . (1987). Stratigraphy and sedimentology of the Eocene Tejon Formation, western Tehachapi and San Emigdio Mountains, California. Washington, Dc: US Gov. Print. Office.

MLA

Nilsen Tor Helge, United States Geological Survey, . Stratigraphy and sedimentology of the Eocene Tejon Formation, western Tehachapi and San Emigdio Mountains, California. Washington, Dc: US Gov. Print. Office. 1987.