APA (7th ed.) Citation

Kaufman, M. (1953). Radio operator's license Q & A manual (4th ed.). Rider.

Chicago Style (17th ed.) Citation

Kaufman, Milton. Radio Operator's License Q & A Manual. 4th ed. New York: Rider, 1953.

MLA (9th ed.) Citation

Kaufman, Milton. Radio Operator's License Q & A Manual. 4th ed. Rider, 1953.