United States. Congress. House. Committee of Accounts & ProQuest (Firm). (1917). Telephone operators. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee of Accounts and ProQuest (Firm). Telephone Operators. Washington: [publisher not identified], 1917.
MLA (9th ed.) CitationUnited States. Congress. House. Committee of Accounts and ProQuest (Firm). Telephone Operators. [publisher not identified], 1917.
Warning: These citations may not always be 100% accurate.