APA (7th ed.) Citation

American Sod Producers Association, Betts, J. L., & Mathews, W. G. (1992). Turfgrass: Nature's constant benediction : the history of the American Sod Producers Association 1967-1992. American Sod Producers Association.

Chicago Style (17th ed.) Citation

American Sod Producers Association, Janice Lake Betts, and Wendell G. Mathews. Turfgrass: Nature's Constant Benediction : The History of the American Sod Producers Association 1967-1992. Rolling Meadows, IL: American Sod Producers Association, 1992.

MLA (9th ed.) Citation

American Sod Producers Association, et al. Turfgrass: Nature's Constant Benediction : The History of the American Sod Producers Association 1967-1992. American Sod Producers Association, 1992.