APA (7th ed.) Citation

O'Donoghue, S. E. (1925). Radio in Czechoslovakia. [publisher not identified].

Chicago Style (17th ed.) Citation

O'Donoghue, Sidney. E. Radio in Czechoslovakia. Washington, D.C.: [publisher not identified], 1925.

MLA (9th ed.) Citation

O'Donoghue, Sidney. E. Radio in Czechoslovakia. [publisher not identified], 1925.