APA (7th ed.) Citation

Topp, M. N. (1970). Method for the remote determination of the displacement amplitude of an ultrasonic horn. Journal of Physics. E, Scientific Instruments., 3, 739. https://doi.org/10.1088/0022-3735/3/9/424

Chicago Style (17th ed.) Citation

Topp, M. N. "Method for the Remote Determination of the Displacement Amplitude of an Ultrasonic Horn." Journal of Physics. E, Scientific Instruments. 3 (1970): 739. https://doi.org/10.1088/0022-3735/3/9/424.

MLA (9th ed.) Citation

Topp, M. N. "Method for the Remote Determination of the Displacement Amplitude of an Ultrasonic Horn." Journal of Physics. E, Scientific Instruments., vol. 3, 1970, p. 739, https://doi.org/10.1088/0022-3735/3/9/424.