Citazione Stile APA (7a Edizione)

Gregory, R. (1971). The price of amenity: Five studies in conservation and government. Macmillan; St. Martin's Press.

Citazione stile Chigago Style (17a edizione)

Gregory, Roy. The Price of Amenity: Five Studies in Conservation and Government. [London] [New York]: Macmillan; St. Martin's Press, 1971.

Citatione MLA (8a ed.)

Gregory, Roy. The Price of Amenity: Five Studies in Conservation and Government. Macmillan; St. Martin's Press, 1971.