APA (7th ed.) Citation

Herrmann, F. (1989). Energy density and stress: A new approach to teaching electromagnetism. American Journal of Physics, 57, 707. https://doi.org/10.1119/1.15925

Chicago Style (17th ed.) Citation

Herrmann, F. "Energy Density and Stress: A New Approach to Teaching Electromagnetism." American Journal of Physics 57 (1989): 707. https://doi.org/10.1119/1.15925.

MLA (9th ed.) Citation

Herrmann, F. "Energy Density and Stress: A New Approach to Teaching Electromagnetism." American Journal of Physics, vol. 57, 1989, p. 707, https://doi.org/10.1119/1.15925.