APA (7th ed.) Citation

Schmidgen, H. (2014, September 15). A Research Machine. Helmholtz Curves, 55. https://doi.org/10.5422/fordham/9780823261949.003.0004

Chicago Style (17th ed.) Citation

Schmidgen, Henning. "A Research Machine." Helmholtz Curves 15 Sep. 2014: 55. https://doi.org/10.5422/fordham/9780823261949.003.0004.

MLA (9th ed.) Citation

Schmidgen, Henning. "A Research Machine." Helmholtz Curves, 15 Sep. 2014, p. 55, https://doi.org/10.5422/fordham/9780823261949.003.0004.