Robinson, H. H. (1913). The San Franciscan volcanic field, Arizona. Department of the Interior, United States Geological Survey.
Chicago Style (17th ed.) CitationRobinson, Henry Hollister. The San Franciscan Volcanic Field, Arizona. Washington: Department of the Interior, United States Geological Survey, 1913.
MLA (9th ed.) CitationRobinson, Henry Hollister. The San Franciscan Volcanic Field, Arizona. Department of the Interior, United States Geological Survey, 1913.
Warning: These citations may not always be 100% accurate.