APA (7th ed.) Citation

United States. Postmaster General. (1922). U.S.-Canada Postal Convention, effective Jan. 1, 1923, establishment of insured parcel post and increase in amount of indemnity for registered mail exchanged with Canada. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Postmaster General. U.S.-Canada Postal Convention, Effective Jan. 1, 1923, Establishment of Insured Parcel Post and Increase in Amount of Indemnity for Registered Mail Exchanged with Canada. Washington: [publisher not identified], 1922.

MLA (9th ed.) Citation

United States. Postmaster General. U.S.-Canada Postal Convention, Effective Jan. 1, 1923, Establishment of Insured Parcel Post and Increase in Amount of Indemnity for Registered Mail Exchanged with Canada. [publisher not identified], 1922.