APA (7th ed.) Citation

Fitzpatrick, H. M. (1968). The hertz. Journal of the Acoustical Society of America, 43, 1459.

Chicago Style (17th ed.) Citation

Fitzpatrick, H. M. "The Hertz." Journal of the Acoustical Society of America 43 (1968): 1459.

MLA (9th ed.) Citation

Fitzpatrick, H. M. "The Hertz." Journal of the Acoustical Society of America, vol. 43, 1968, p. 1459.