APA (7th ed.) Citation

United States. Congress. House. Committee on Post Office and Post Roads & ProQuest (Firm). (1886). Obligation to carry the United States Mails. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Congress. House. Committee on Post Office and Post Roads and ProQuest (Firm). Obligation to Carry the United States Mails. Washington: [publisher not identified], 1886.

MLA (9th ed.) Citation

United States. Congress. House. Committee on Post Office and Post Roads and ProQuest (Firm). Obligation to Carry the United States Mails. [publisher not identified], 1886.

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