APA (7th ed.) Citation

Procunier, R. W., & Sharp, G. W. (1971). Optimum frequency for detection of acoustic sources in the upper atmosphere. Journal of the Acoustical Society of America, 49, 622. https://doi.org/10.1121/1.1912401

Chicago Style (17th ed.) Citation

Procunier, R. W., and G. W. Sharp. "Optimum Frequency for Detection of Acoustic Sources in the Upper Atmosphere." Journal of the Acoustical Society of America 49 (1971): 622. https://doi.org/10.1121/1.1912401.

MLA (9th ed.) Citation

Procunier, R. W., and G. W. Sharp. "Optimum Frequency for Detection of Acoustic Sources in the Upper Atmosphere." Journal of the Acoustical Society of America, vol. 49, 1971, p. 622, https://doi.org/10.1121/1.1912401.