APA-referens (7:e uppl.)

Thompson, L. G., & Smith, F. B. (1947). Organic matter in Florida soils. University of Florida Agricultural Experiment Station.

Chicago-referens (17:e uppl.)

Thompson, L. G., och F. B. Smith. Organic Matter in Florida Soils. Gainesville, Fla.: University of Florida Agricultural Experiment Station, 1947.

MLA-referens (8:e uppl.)

Thompson, L. G., och F. B. Smith. Organic Matter in Florida Soils. University of Florida Agricultural Experiment Station, 1947.