APA (7th ed.) Citation

Herrmann, F., & Schmid, G. B. (1986). The Poynting vector field and the energy flow within a transformer. American Journal of Physics, 54, 528. https://doi.org/10.1119/1.14554

Chicago Style (17th ed.) Citation

Herrmann, F., and G. Bruno Schmid. "The Poynting Vector Field and the Energy Flow Within a Transformer." American Journal of Physics 54 (1986): 528. https://doi.org/10.1119/1.14554.

MLA (9th ed.) Citation

Herrmann, F., and G. Bruno Schmid. "The Poynting Vector Field and the Energy Flow Within a Transformer." American Journal of Physics, vol. 54, 1986, p. 528, https://doi.org/10.1119/1.14554.

Warning: These citations may not always be 100% accurate.