APA (7th ed.) Citation

United States. Railway Mail Service. (1900). Province of Ontario: New York and Chicago R.P.O. standpoint, to Toronto Dis. except offices herein named, May 1900. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Railway Mail Service. Province of Ontario: New York and Chicago R.P.O. Standpoint, to Toronto Dis. Except Offices Herein Named, May 1900. [Washington]: [publisher not identified], 1900.

MLA (9th ed.) Citation

United States. Railway Mail Service. Province of Ontario: New York and Chicago R.P.O. Standpoint, to Toronto Dis. Except Offices Herein Named, May 1900. [publisher not identified], 1900.