APA (7th ed.) Citation

Hess, E. L. (1951). Electrophoresis as a criterion of purity in proteins. Science, 113, 709. https://doi.org/10.1126/science.113.2947.709

Chicago Style (17th ed.) Citation

Hess, E. L. "Electrophoresis as a Criterion of Purity in Proteins." Science 113 (1951): 709. https://doi.org/10.1126/science.113.2947.709.

MLA (9th ed.) Citation

Hess, E. L. "Electrophoresis as a Criterion of Purity in Proteins." Science, vol. 113, 1951, p. 709, https://doi.org/10.1126/science.113.2947.709.