Citazione Stile APA (7a Edizione)

Liroff, R. A. (1976). A National policy for the environment: Nepa and its aftermath. Indiana U.Pr.

Citazione stile Chigago Style (17a edizione)

Liroff, Richard A. A National Policy for the Environment: Nepa and Its Aftermath. London: Indiana U.Pr, 1976.

Citatione MLA (9a ed.)

Liroff, Richard A. A National Policy for the Environment: Nepa and Its Aftermath. Indiana U.Pr, 1976.