APA (7th ed.) Citation

Kaplan, I. R., & Smith, J. W. (1970). Concentration and isotopic composition of carbon and sulfur in Apollo 11 lunar samples. Science, 167, 541. https://doi.org/10.1126/science.167.3918.541

Chicago Style (17th ed.) Citation

Kaplan, I. R., and J. W. Smith. "Concentration and Isotopic Composition of Carbon and Sulfur in Apollo 11 Lunar Samples." Science 167 (1970): 541. https://doi.org/10.1126/science.167.3918.541.

MLA (9th ed.) Citation

Kaplan, I. R., and J. W. Smith. "Concentration and Isotopic Composition of Carbon and Sulfur in Apollo 11 Lunar Samples." Science, vol. 167, 1970, p. 541, https://doi.org/10.1126/science.167.3918.541.