Citazione APA

Wallace, A. R. (1914). Social environment and moral progress. Funk and Wagnalls.

Stile di citazione Chicago

Wallace, Alfred Russel. Social Environment and Moral Progress. New York: Funk and Wagnalls, 1914.

Citazione MLA

Wallace, Alfred Russel. Social Environment and Moral Progress. Funk and Wagnalls, 1914.