United States Civil Service Commission. (1904). Instructions to applicants for post-office branch of classified service, except for 1st, 2nd, and 3rd civil service districts, with headquarters at Boston, New York, and Philadelphia, respectively. GPO.
Chicago Style (17th ed.) CitationUnited States Civil Service Commission. Instructions to Applicants for Post-office Branch of Classified Service, Except for 1st, 2nd, and 3rd Civil Service Districts, with Headquarters at Boston, New York, and Philadelphia, Respectively. [Washington]: GPO, 1904.
MLA (9th ed.) CitationUnited States Civil Service Commission. Instructions to Applicants for Post-office Branch of Classified Service, Except for 1st, 2nd, and 3rd Civil Service Districts, with Headquarters at Boston, New York, and Philadelphia, Respectively. GPO, 1904.