APA (7th ed.) Citation

United States. Post Office Department & ProQuest (Firm). (1893). The postal laws and regulations of the United States of America. Compiled, revised, and published in accordance with the act of Congress approved March 3, 1891. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Post Office Department and ProQuest (Firm). The Postal Laws and Regulations of the United States of America. Compiled, Revised, and Published in Accordance with the Act of Congress Approved March 3, 1891. Washington: [publisher not identified], 1893.

MLA (9th ed.) Citation

United States. Post Office Department and ProQuest (Firm). The Postal Laws and Regulations of the United States of America. Compiled, Revised, and Published in Accordance with the Act of Congress Approved March 3, 1891. [publisher not identified], 1893.