APA (7th ed.) Citation

Shackleton, N. J. (1965). High-precision isotopic analysis of oxygen and carbon in carbon dioxide. Journal of Scientific Instruments (03684253), 42, 689. https://doi.org/10.1088/0950-7671/42/9/306

Chicago Style (17th ed.) Citation

Shackleton, N. J. "High-precision Isotopic Analysis of Oxygen and Carbon in Carbon Dioxide." Journal of Scientific Instruments (03684253) 42 (1965): 689. https://doi.org/10.1088/0950-7671/42/9/306.

MLA (9th ed.) Citation

Shackleton, N. J. "High-precision Isotopic Analysis of Oxygen and Carbon in Carbon Dioxide." Journal of Scientific Instruments (03684253), vol. 42, 1965, p. 689, https://doi.org/10.1088/0950-7671/42/9/306.