APA (7th ed.) Citation

Pollard, J. E., & Cohen, R. B. (1987). Electron-impact ionization time-of-flight mass spectrometer for molecular beams. Review of Scientific Instruments, 58, 32. https://doi.org/10.1063/1.1139562

Chicago Style (17th ed.) Citation

Pollard, J. E., and R. B. Cohen. "Electron-impact Ionization Time-of-flight Mass Spectrometer for Molecular Beams." Review of Scientific Instruments 58 (1987): 32. https://doi.org/10.1063/1.1139562.

MLA (9th ed.) Citation

Pollard, J. E., and R. B. Cohen. "Electron-impact Ionization Time-of-flight Mass Spectrometer for Molecular Beams." Review of Scientific Instruments, vol. 58, 1987, p. 32, https://doi.org/10.1063/1.1139562.