APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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