APA-viite

Geeta Menon & Viegas, P. (1989). The impact of environmental degradation on people.

Chicago-tyylinen lähdeviittaus

Geeta Menon ja Philip Viegas. The Impact of Environmental Degradation on People. New Delhi, Indian Social Institute, 1989.

MLA-viite

Geeta Menon ja Philip Viegas. The Impact of Environmental Degradation on People. 1989.