Particulate Matter Conference [412-APD-A251-er51.JPG]

Chicago citation style
Environmental Protection Agency. Office of the Administrator. Office of External Affairs and Environmental Education. Office of Multimedia. 2011. Particulate Matter Conference [412-APD-A251-er51.JPG]. 2004-09-27. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/7449039. (Accessed December 18, 2018.)
APA citation style
Environmental Protection Agency. Office of the Administrator. Office of External Affairs and Environmental Education. Office of Multimedia. 2011, (2004-09-27) Particulate Matter Conference [412-APD-A251-er51.JPG]. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/7449039
MLA citation style
Environmental Protection Agency. Office of the Administrator. Office of External Affairs and Environmental Education. Office of Multimedia. 2011. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/7449039>.
Note: These citations are programmatically generated and may be incomplete.