APA (7th ed.) Citation

Cunningham, F. W., & Rochester, T. W. (1933). Radio patrol system of the city of New York. Proceedings of the IRE, 21, 1239. https://doi.org/10.1109/JRPROC.1933.225930

Chicago Style (17th ed.) Citation

Cunningham, F. W., and T. W. Rochester. "Radio Patrol System of the City of New York." Proceedings of the IRE 21 (1933): 1239. https://doi.org/10.1109/JRPROC.1933.225930.

MLA (9th ed.) Citation

Cunningham, F. W., and T. W. Rochester. "Radio Patrol System of the City of New York." Proceedings of the IRE, vol. 21, 1933, p. 1239, https://doi.org/10.1109/JRPROC.1933.225930.