Cite
Solar wind direction from HEOS 1 and Explorer 33 satellites
MLA
C. Signorini, and A. Egidi. “Solar Wind Direction from HEOS 1 and Explorer 33 Satellites.” Solar Physics, vol. 34, Jan. 1974, pp. 247–51. EBSCOhost, https://doi.org/10.1007/bf00149618.
APA
C. Signorini, & A. Egidi. (1974). Solar wind direction from HEOS 1 and Explorer 33 satellites. Solar Physics, 34, 247–251. https://doi.org/10.1007/bf00149618
Chicago
C. Signorini, and A. Egidi. 1974. “Solar Wind Direction from HEOS 1 and Explorer 33 Satellites.” Solar Physics 34 (January): 247–51. doi:10.1007/bf00149618.