Seven Union officers

Chicago citation style
Stafford (Firm). Seven Union officers. no date. Retrieved from the Digital Public Library of America, http://contentdm.acpl.lib.in.us/cdm/ref/collection/p15155coll1/id/3447. (Accessed July 21, 2018.)
APA citation style
Stafford (Firm), (no date) Seven Union officers. Retrieved from the Digital Public Library of America, http://contentdm.acpl.lib.in.us/cdm/ref/collection/p15155coll1/id/3447
MLA citation style
Stafford (Firm). Retrieved from the Digital Public Library of America <http://contentdm.acpl.lib.in.us/cdm/ref/collection/p15155coll1/id/3447>.
Note: These citations are programmatically generated and may be incomplete.