APA (7th ed.) Citation

Sies, L. F. Encyclopedia of American radio, 1920 - 1960 (2. ed.). McFarland.

Chicago Style (17th ed.) Citation

Sies, Luther F. Encyclopedia of American Radio, 1920 - 1960. 2. ed. Jefferson, NC: McFarland.

MLA (9th ed.) Citation

Sies, Luther F. Encyclopedia of American Radio, 1920 - 1960. 2. ed. McFarland.