APA (7th ed.) Citation

United States. Congress. House. Committee on Post Office and Civil Service & ProQuest (Firm). (1977). Changes in Postal Services. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Congress. House. Committee on Post Office and Civil Service and ProQuest (Firm). Changes in Postal Services. Washington: [publisher not identified], 1977.

MLA (9th ed.) Citation

United States. Congress. House. Committee on Post Office and Civil Service and ProQuest (Firm). Changes in Postal Services. [publisher not identified], 1977.

Warning: These citations may not always be 100% accurate.