APA (7th ed.) Citation

Butler, F. E. (1961). Determination of tritium in water and urine. Analytical Chemistry, 33, 409. https://doi.org/10.1021/ac60171a031

Chicago Style (17th ed.) Citation

Butler, F. E. "Determination of Tritium in Water and Urine." Analytical Chemistry 33 (1961): 409. https://doi.org/10.1021/ac60171a031.

MLA (9th ed.) Citation

Butler, F. E. "Determination of Tritium in Water and Urine." Analytical Chemistry, vol. 33, 1961, p. 409, https://doi.org/10.1021/ac60171a031.