APA (7th ed.) Citation

Knight, S. B., Mathis, W. C., & Graham, J. R. (1951). Mineral analysis with the flame photometer. Analytical Chemistry, 23, 1704. https://doi.org/10.1021/ac60059a057

Chicago Style (17th ed.) Citation

Knight, S. B., W. C. Mathis, and J. R. Graham. "Mineral Analysis with the Flame Photometer." Analytical Chemistry 23 (1951): 1704. https://doi.org/10.1021/ac60059a057.

MLA (9th ed.) Citation

Knight, S. B., et al. "Mineral Analysis with the Flame Photometer." Analytical Chemistry, vol. 23, 1951, p. 1704, https://doi.org/10.1021/ac60059a057.