Citazione APA

Brown, S. B. B. (1946). Realm of science, Vol.20: Directions and dimensions of life - Ecology, man and nature.

Stile di citazione Chicago

Brown, Stanley B; Brown. Realm of Science, Vol.20: Directions and Dimensions of Life - Ecology, Man and Nature. Touchstone Publishing Company, Kentucky, 1946.

Citazione MLA

Brown, Stanley B; Brown. Realm of Science, Vol.20: Directions and Dimensions of Life - Ecology, Man and Nature. 1946.