APA (7th ed.) Citation

Hills, L. D. (1977). Fertility without fertilizers: A basic approach to organic gardening. Universe Books.

Chicago Style (17th ed.) Citation

Hills, Lawrence Donegan. Fertility Without Fertilizers: A Basic Approach to Organic Gardening. New York: Universe Books, 1977.

MLA (9th ed.) Citation

Hills, Lawrence Donegan. Fertility Without Fertilizers: A Basic Approach to Organic Gardening. Universe Books, 1977.