Robertson, R. D. (1915). Irrigation and soil conditions in the Sierra Nevada foothills, California. Berkeley, Cal. : Agricultural Experiment Station.
Chicago Style (17th ed.) CitationRobertson, Ralph D. Irrigation and Soil Conditions in the Sierra Nevada Foothills, California. Berkeley, Cal. : Agricultural Experiment Station, 1915.
MLA (8th ed.) CitationRobertson, Ralph D. Irrigation and Soil Conditions in the Sierra Nevada Foothills, California. Berkeley, Cal. : Agricultural Experiment Station, 1915.
IICA/CATIE CitationRobertson, R. D. 1915. Irrigation and soil conditions in the Sierra Nevada foothills, California. Berkeley, Cal. : Agricultural Experiment Station.