[Assignment: 48-DPA-SOI_K_YPO_CC_1-15-07] Secretary Dirk Kempthorne hosting National Park Service (NPS)-Young Presidents' Organization (YPO) luncheon [at Main Interior, promoting the] Centennial Challenge, [part of Interior's initiative designed to prepare National Parks for another century of conservation and preservation in time for the NPS 100th anniversary in 2016] [48-DPA-SOI_K_YPO_CC_1-15-07_IOD_2177.JPG]

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-. [Assignment: 48-DPA-SOI_K_YPO_CC_1-15-07] Secretary Dirk Kempthorne hosting National Park Service (NPS)-Young Presidents' Organization (YPO) luncheon [at Main Interior, promoting the] Centennial Challenge, [part of Interior's initiative designed to prepare National Parks for another century of conservation and preservation in time for the NPS 100th anniversary in 2016] [48-DPA-SOI_K_YPO_CC_1-15-07_IOD_2177.JPG]. 2007-01-14. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/7951889. (Accessed July 20, 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-, (2007-01-14) [Assignment: 48-DPA-SOI_K_YPO_CC_1-15-07] Secretary Dirk Kempthorne hosting National Park Service (NPS)-Young Presidents' Organization (YPO) luncheon [at Main Interior, promoting the] Centennial Challenge, [part of Interior's initiative designed to prepare National Parks for another century of conservation and preservation in time for the NPS 100th anniversary in 2016] [48-DPA-SOI_K_YPO_CC_1-15-07_IOD_2177.JPG]. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/7951889
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/7951889>.
Note: These citations are programmatically generated and may be incomplete.