Bofinger, Helge. Willy Brandt (Herbert Ernst Karl Frahm) Haus, SPD (Social Democratic Party of Germany) Headquarters. Wheat Ridge, Colorado. UNT Digital Library. http://digital.library.unt.edu/ark:/67531/metadc50934/. Accessed December 5, 2016.
Note: Inconsistencies in capitalization and punctuation within the Digital Library may affect this citation. Before using this citation in formal writing, please consult your preferred style manual. More information.