APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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