Howard, W. A., & Griffiths, T. M. (1966). Trinchera distribution in the Sierra Madre Occidental, Mexico. University of Denver, Department of Geography.
Chicago Style (17th ed.) CitationHoward, William A., and Thomas M. Griffiths. Trinchera Distribution in the Sierra Madre Occidental, Mexico. Denver: University of Denver, Department of Geography, 1966.
MLA (9th ed.) CitationHoward, William A., and Thomas M. Griffiths. Trinchera Distribution in the Sierra Madre Occidental, Mexico. University of Denver, Department of Geography, 1966.
Warning: These citations may not always be 100% accurate.