APA (7th ed.) Citation

United States. Post Office Department. (1911). Hearings of Commission on 2nd-Class Mail Matter in New York City, beginning Aug. 1, 1911; supplemental statement on behalf of Post Office Department showing results of tabulations and estimates submitted Oct. 20 and 21, 1911. GPO.

Chicago Style (17th ed.) Citation

United States. Post Office Department. Hearings of Commission on 2nd-Class Mail Matter in New York City, Beginning Aug. 1, 1911; Supplemental Statement on Behalf of Post Office Department Showing Results of Tabulations and Estimates Submitted Oct. 20 and 21, 1911. [Washington]: GPO, 1911.

MLA (9th ed.) Citation

United States. Post Office Department. Hearings of Commission on 2nd-Class Mail Matter in New York City, Beginning Aug. 1, 1911; Supplemental Statement on Behalf of Post Office Department Showing Results of Tabulations and Estimates Submitted Oct. 20 and 21, 1911. GPO, 1911.