Roberts, G. (1905). Commercial fertilizers. Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 173.
Chicago Style CitationRoberts, George. "Commercial Fertilizers." Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 173 1905.
MLA CitationRoberts, George. "Commercial Fertilizers." Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 173 1905.
Warning: These citations may not always be 100% accurate.