APA (7. basım) Alıntı

De Steiguer, J. E. (1997). Age of environmentalism. McGraw-Hill.

Chicago Style (17. basım) Atıf

De Steiguer, Joseph Edward. Age of Environmentalism. New York: McGraw-Hill, 1997.

MLA (9th ed.) Atıf

De Steiguer, Joseph Edward. Age of Environmentalism. McGraw-Hill, 1997.