APA (7th ed.) Citation

Barcus, J. R. (1969). Solar protons E > 100 MeV incident over antarctica during January?February 1967. Solar Physics, 8(1), 186.

Chicago Style (17th ed.) Citation

Barcus, J. R. "Solar Protons E > 100 MeV Incident over Antarctica During January?February 1967." Solar Physics 8, no. 1 (1969): 186.

MLA (9th ed.) Citation

Barcus, J. R. "Solar Protons E > 100 MeV Incident over Antarctica During January?February 1967." Solar Physics, vol. 8, no. 1, 1969, p. 186.