Cita APA (7th ed.)

Kay, D. A. (1972). World Eco-crisis; international organizations in response. The University of Wisconsin Press.

Cita Chicago (17th ed.)

Kay, David A. World Eco-crisis; International Organizations in Response. Wisconsin: The University of Wisconsin Press, 1972.

Cita MLA (9th ed.)

Kay, David A. World Eco-crisis; International Organizations in Response. The University of Wisconsin Press, 1972.