R/V Lake Guardian.
APA Citation
United States. Environmental Protection Agency. Great Lakes National Program Office. (1997). R/V Lake Guardian. Chicago, Ill. (77 W. Jackson Blvd., Chicago 60604): U.S. Environmental Protection Agency, Great Lakes National Program Office.
MLA Citation
United States. Environmental Protection Agency. Great Lakes National Program Office. R/V Lake Guardian. Chicago, Ill. (77 W. Jackson Blvd., Chicago 60604): U.S. Environmental Protection Agency, Great Lakes National Program Office, 1997.
Warning: These citations may not always be complete (especially for serials).