Seamen's Identification Card for Harry C. Ahl

Chicago citation style
Department of Commerce. Bureau of Navigation. District of Boston and Charlestown (Massachusetts). 1913-1932. Seamen's Identification Card for Harry C. Ahl. 1918-04-29. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6424315. (Accessed June 18, 2018.)
APA citation style
Department of Commerce. Bureau of Navigation. District of Boston and Charlestown (Massachusetts). 1913-1932, (1918-04-29) Seamen's Identification Card for Harry C. Ahl. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6424315
MLA citation style
Department of Commerce. Bureau of Navigation. District of Boston and Charlestown (Massachusetts). 1913-1932. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/6424315>.
Note: These citations are programmatically generated and may be incomplete.