APA (7th ed.) Citation

Zwicker, R. D., & Butler, F. A. (1973). Charged particle in a low magnetic field with finite boundary conditions. American Journal of Physics, 41, 1093.

Chicago Style (17th ed.) Citation

Zwicker, R. D., and F. A. Butler. "Charged Particle in a Low Magnetic Field with Finite Boundary Conditions." American Journal of Physics 41 (1973): 1093.

MLA (9th ed.) Citation

Zwicker, R. D., and F. A. Butler. "Charged Particle in a Low Magnetic Field with Finite Boundary Conditions." American Journal of Physics, vol. 41, 1973, p. 1093.