Secretary Gale Norton, left, with National Park Service Director Fran Mainella at podium, during National Park System Advisory Board meeting, held in conjunction with Scholars Forum on National Park Service role as civic educator, at Independence National Historical Park, Philadelphia, Pennsylvania

Chicago citation style
Department of the Interior. National Business Center. Administrative Operations Directorate. Division of Employee and Public Services. Creative Communications Branch. Photographic Services. 2000. Secretary Gale Norton, left, with National Park Service Director Fran Mainella at podium, during National Park System Advisory Board meeting, held in conjunction with Scholars Forum on National Park Service role as civic educator, at Independence National Historical Park, Philadelphia, Pennsylvania. 2006-01-14. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5628552. (Accessed October 22, 2018.)
APA citation style
Department of the Interior. National Business Center. Administrative Operations Directorate. Division of Employee and Public Services. Creative Communications Branch. Photographic Services. 2000, (2006-01-14) Secretary Gale Norton, left, with National Park Service Director Fran Mainella at podium, during National Park System Advisory Board meeting, held in conjunction with Scholars Forum on National Park Service role as civic educator, at Independence National Historical Park, Philadelphia, Pennsylvania. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/5628552
MLA citation style
Department of the Interior. National Business Center. Administrative Operations Directorate. Division of Employee and Public Services. Creative Communications Branch. Photographic Services. 2000. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/5628552>.
Note: These citations are programmatically generated and may be incomplete.