APA

Mathews J. T., American Assembly (50:1936:New York) & World Resources Institute (Washington D. (1991). Preserving the global environment. New York: W. W. Norton.

Chicago

Mathews Jessica Tuchman, American Assembly (50:1936:New York) and World Resources Institute (Washington D.C.). 1991. Preserving the global environment. New York: W. W. Norton.

Harvard

Mathews J. T., American Assembly (50:1936:New York) and World Resources Institute (Washington D. (1991). Preserving the global environment. New York: W. W. Norton.

MLA

Mathews Jessica Tuchman, American Assembly (50:1936:New York) and World Resources Institute (Washington D.C.). Preserving the global environment. New York: W. W. Norton. 1991.