APA
Huffman R. L., American Society of Agricultural and Biological Engineers, . (2013). Soil and water conservation engineering. St. Joseph, Michigan: American Society of Agricultural and Biological Engineers.
Chicago
Huffman Rodney L, American Society of Agricultural and Biological Engineers, . 2013. Soil and water conservation engineering. St. Joseph, Michigan: American Society of Agricultural and Biological Engineers.
Harvard
Huffman R. L., American Society of Agricultural and Biological Engineers, . (2013). Soil and water conservation engineering. St. Joseph, Michigan: American Society of Agricultural and Biological Engineers.
MLA
Huffman Rodney L, American Society of Agricultural and Biological Engineers, . Soil and water conservation engineering. St. Joseph, Michigan: American Society of Agricultural and Biological Engineers. 2013.