APA (7th ed.) Citation

Cline, T. L., Fichtel, C. E., & Kniffen, D. A. (1969). Cosmic-ray positrons and negatrons of energies 10 to 250 MeV at 85 deg geomagnetic latitude.

Chicago Style (17th ed.) Citation

Cline, T. L., C. E. Fichtel, and D. A. Kniffen. Cosmic-ray Positrons and Negatrons of Energies 10 to 250 MeV at 85 Deg Geomagnetic Latitude. 1969.

MLA (9th ed.) Citation

Cline, T. L., et al. Cosmic-ray Positrons and Negatrons of Energies 10 to 250 MeV at 85 Deg Geomagnetic Latitude. 1969.