APA (7th ed.) Citation

Marsh, O. G. (1926). Radio in Uruguay. [publisher not identified].

Chicago Style (17th ed.) Citation

Marsh, O. Gaylord. Radio in Uruguay. Washington, D.C.: [publisher not identified], 1926.

MLA (9th ed.) Citation

Marsh, O. Gaylord. Radio in Uruguay. [publisher not identified], 1926.