APA (7th ed.) Citation

Clutterbuck, D. B. (1958). Structure of northern Sierra Pilares, Chihuahua, Mexico. [publisher not identified].

Chicago Style (17th ed.) Citation

Clutterbuck, Donald B.. Structure of Northern Sierra Pilares, Chihuahua, Mexico. [Place of publication not identified]: [publisher not identified], 1958.

MLA (9th ed.) Citation

Clutterbuck, Donald B.. Structure of Northern Sierra Pilares, Chihuahua, Mexico. [publisher not identified], 1958.