Cita APA (7a ed.)

(1939). CITY problems of...: The annual proceedings of the United States conferences of Mayors, New York city. United States conferences of Mayors.

Cita Chicago Style (17a ed.)

CITY Problems of...: The Annual Proceedings of the United States Conferences of Mayors, New York City. Washington: United States conferences of Mayors, 1939.

Cita MLA (9a ed.)

CITY Problems of...: The Annual Proceedings of the United States Conferences of Mayors, New York City. United States conferences of Mayors, 1939.