APA Style

Policy, M, A, S, E, :, A, A, F, I, E. (1990). Maintaining a satisfactory environment : an agenda for international environmental policy . Colorado: Westview Press, Inc.

MLA Style

Policy, Maintaining, A, Satisfactory, Environment, :, An, Agenda, For, International, Environmental. "Maintaining a satisfactory environment : an agenda for international environmental policy". Colorado: Westview Press, Inc, 1990. Text.