APA (7th ed.) Citation

Labus, J. W., & Roder, H. (1931). Suppression of radio-frequency harmonics in transmitters. Proceedings of the IRE, 19, 949. https://doi.org/10.1109/JRPROC.1931.222416

Chicago Style (17th ed.) Citation

Labus, J. W., and H. Roder. "Suppression of Radio-frequency Harmonics in Transmitters." Proceedings of the IRE 19 (1931): 949. https://doi.org/10.1109/JRPROC.1931.222416.

MLA (9th ed.) Citation

Labus, J. W., and H. Roder. "Suppression of Radio-frequency Harmonics in Transmitters." Proceedings of the IRE, vol. 19, 1931, p. 949, https://doi.org/10.1109/JRPROC.1931.222416.