United States. Dept. of the Treasury. Publicity Bureau. Wear your honor button, 4th Liberty Loan bonds. Akron, O.. UNT Digital Library. http://digital.library.unt.edu/ark:/67531/metadc29411/. Accessed November 23, 2014.
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.