Voorhees, E. B., & Voorhees, J. H. (1916). Fertilizers: The source, character and composition of natural, home-made and manufactured fertilizers, and suggestions as to their use for different crops and conditions (Rev. ed.). The Macmillan Company.
Chicago Style (17th ed.) CitationVoorhees, Edward Burnett, and John Haring Voorhees. Fertilizers: The Source, Character and Composition of Natural, Home-made and Manufactured Fertilizers, and Suggestions as to Their Use for Different Crops and Conditions. Rev. ed. New York: The Macmillan Company, 1916.
MLA (9th ed.) CitationVoorhees, Edward Burnett, and John Haring Voorhees. Fertilizers: The Source, Character and Composition of Natural, Home-made and Manufactured Fertilizers, and Suggestions as to Their Use for Different Crops and Conditions. Rev. ed. The Macmillan Company, 1916.