Intercommunication and paging system : 100 series /

Chicago citation style
United States Postal Service. Maintenance Technical Support Center. Office of Maintenance Management. Mail Processing Group. Intercommunication and paging system : 100 series /. 1973. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011427093. (Accessed December 9, 2018.)
APA citation style
United States Postal Service. Maintenance Technical Support Center. Office of Maintenance Management. Mail Processing Group, (1973) Intercommunication and paging system : 100 series /. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011427093
MLA citation style
United States Postal Service. Maintenance Technical Support Center. Office of Maintenance Management. Mail Processing Group. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/011427093>.
Note: These citations are programmatically generated and may be incomplete.