APA (7th ed.) Citation

Hughes, M. N. (1925). Radio in Uruguay. [publisher not identified].

Chicago Style (17th ed.) Citation

Hughes, Morris N. Radio in Uruguay. Washington, D.C.: [publisher not identified], 1925.

MLA (9th ed.) Citation

Hughes, Morris N. Radio in Uruguay. [publisher not identified], 1925.

Warning: These citations may not always be 100% accurate.