Chisholm, A. (1972). Philosophers of the earth: Conversations with ecologists. Dutton.
Citazione stile Chigago Style (17a edizione)Chisholm, Anne. Philosophers of the Earth: Conversations with Ecologists. New York: Dutton, 1972.
Citatione MLA (9a ed.)Chisholm, Anne. Philosophers of the Earth: Conversations with Ecologists. Dutton, 1972.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.