APA (7th ed.) Citation

Johnson, C. A., & Sharp, V. (1935). Talking over a light-beam telephone. Radio News, 17, 337.

Chicago Style (17th ed.) Citation

Johnson, C. A., and V. Sharp. "Talking over a Light-beam Telephone." Radio News 17 (1935): 337.

MLA (9th ed.) Citation

Johnson, C. A., and V. Sharp. "Talking over a Light-beam Telephone." Radio News, vol. 17, 1935, p. 337.