Cita APA (7a ed.)

Howell, D. G. (1976). ASPECTS of the geologic history of the California Continental Borderland. U. S. Geological Survey.

Cita Chicago Style (17a ed.)

Howell, David G. ASPECTS of the Geologic History of the California Continental Borderland. Menlo Park, Calif.: U. S. Geological Survey, 1976.

Cita MLA (8a ed.)

Howell, David G. ASPECTS of the Geologic History of the California Continental Borderland. U. S. Geological Survey, 1976.