APA (7th ed.) Citation

Protzman, T. F. (1949). Transition temperatures of methyl methacrylate polymers at ultrasonic frequencies. Journal of Applied Physics, 20, 627. https://doi.org/10.1063/1.1698440

Chicago Style (17th ed.) Citation

Protzman, T. F. "Transition Temperatures of Methyl Methacrylate Polymers at Ultrasonic Frequencies." Journal of Applied Physics 20 (1949): 627. https://doi.org/10.1063/1.1698440.

MLA (9th ed.) Citation

Protzman, T. F. "Transition Temperatures of Methyl Methacrylate Polymers at Ultrasonic Frequencies." Journal of Applied Physics, vol. 20, 1949, p. 627, https://doi.org/10.1063/1.1698440.