Citazione Stile APA (7a Edizione)
(1991). Environmental Quality: <The> Twenty-Second Annual Report of the Council on Environmental Quality (1. ed.). Council on Environmental Quality.
Citazione stile Chigago Style (17a edizione)
Environmental Quality: <The> Twenty-Second Annual Report of the Council on Environmental Quality. 1. ed. Washington: Council on Environmental Quality, 1991.
Citatione MLA (9a ed.)
Environmental Quality: <The> Twenty-Second Annual Report of the Council on Environmental Quality. 1. ed. Council on Environmental Quality, 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.