Cita APA (7th ed.)
Nilsen, T. H. (1987). Stratigraphy and sedimentology of the Eocene Tejon Formation, western Tehachapi and San Emigdio Mountains, California. United States Government Print. Office.
Cita Chicago (17th ed.)
Nilsen, Tor Helge. Stratigraphy and Sedimentology of the Eocene Tejon Formation, Western Tehachapi and San Emigdio Mountains, California. Washington: United States Government Print. Office, 1987.
Cita MLA (9th ed.)
Nilsen, Tor Helge. Stratigraphy and Sedimentology of the Eocene Tejon Formation, Western Tehachapi and San Emigdio Mountains, California. United States Government Print. Office, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.