Citazione Stile APA (7a Edizione)

Little, M. (1976). Ecology, Energetics and Human variability. W.M.C Brown Company.

Citazione stile Chigago Style (17a edizione)

Little, Michael. Ecology, Energetics and Human Variability. NULL: W.M.C Brown Company, 1976.

Citatione MLA (9a ed.)

Little, Michael. Ecology, Energetics and Human Variability. W.M.C Brown Company, 1976.