United States. Congress. House. Committee on Post Office and Post Roads & ProQuest (Firm). (1910). Return of undelivered letters, etc. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Post Office and Post Roads and ProQuest (Firm). Return of Undelivered Letters, Etc. Washington: [publisher not identified], 1910.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Post Office and Post Roads and ProQuest (Firm). Return of Undelivered Letters, Etc. [publisher not identified], 1910.
Warning: These citations may not always be 100% accurate.