Cita APA (7a ed.)

Programa de les Nacions Unides per a la Defensa del Medi, Kassas, M., White, G. F., & Holdgate, M. W. (1982). The world environment 1972-1982: A report by the United Nations Environment Programme. Tycooly International.

Cita Chicago Style (17a ed.)

Programa de les Nacions Unides per a la Defensa del Medi, Mohammed Kassas, Gilbert F. White, y Martin W. Holdgate. The World Environment 1972-1982: A Report by the United Nations Environment Programme. Dublin: Tycooly International, 1982.

Cita MLA (9a ed.)

Programa de les Nacions Unides per a la Defensa del Medi, et al. The World Environment 1972-1982: A Report by the United Nations Environment Programme. Tycooly International, 1982.