APA (7th ed.) Citation

Summers, H. B. (1993). A thirty-year history of programs carried on national radio networks in the United States: 1926 - 1956 (Repr. ed.). Ayer Co.

Chicago Style (17th ed.) Citation

Summers, Harrison B. A Thirty-year History of Programs Carried on National Radio Networks in the United States: 1926 - 1956. Repr. ed. Salem, New Hampshire: Ayer Co, 1993.

MLA (9th ed.) Citation

Summers, Harrison B. A Thirty-year History of Programs Carried on National Radio Networks in the United States: 1926 - 1956. Repr. ed. Ayer Co, 1993.