APA (7th ed.) Citation

Hopkins, C. G. Nitrogen Bacteria and Legumes With special reference to red clover, cowpeas, soy beans, alfalfa, and sweet clover, on Illinois soils.

Chicago Style (17th ed.) Citation

Hopkins, Cyril G. Nitrogen Bacteria and Legumes With Special Reference to Red Clover, Cowpeas, Soy Beans, Alfalfa, and Sweet Clover, on Illinois Soils.

MLA (9th ed.) Citation

Hopkins, Cyril G. Nitrogen Bacteria and Legumes With Special Reference to Red Clover, Cowpeas, Soy Beans, Alfalfa, and Sweet Clover, on Illinois Soils.