APA (7th ed.) Citation

Hecht, S. (1936). Regeneration of visual purple in solution. Science, 84, 331. https://doi.org/10.1126/science.84.2180.331

Chicago Style (17th ed.) Citation

Hecht, S. "Regeneration of Visual Purple in Solution." Science 84 (1936): 331. https://doi.org/10.1126/science.84.2180.331.

MLA (9th ed.) Citation

Hecht, S. "Regeneration of Visual Purple in Solution." Science, vol. 84, 1936, p. 331, https://doi.org/10.1126/science.84.2180.331.

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