Dallas (Tex.). Police Dept.. View from the Texas School Book Depository [Negative], Photograph, ca. 1963; digital image, (http://texashistory.unt.edu/ark:/67531/metapth49530/ : accessed August 29, 2014), University of North Texas Libraries, The Portal to Texas History, http://texashistory.unt.edu; crediting Dallas Municipal Archives , Dallas, Texas.
Note: Inconsistencies in capitalization and punctuation within the Portal may affect this citation. Before using this citation in formal writing, please consult your preferred style manual. More information.