Cite
SAS 3 and Einstein observations of the 11 minute orbital period of the globular cluster X-ray source 4U 1820-30
MLA
Michael R. Garcia, et al. “SAS 3 and Einstein Observations of the 11 Minute Orbital Period of the Globular Cluster X-Ray Source 4U 1820-30.” The Astrophysical Journal, vol. 324, Jan. 1988, p. 851. EBSCOhost, https://doi.org/10.1086/165943.
APA
Michael R. Garcia, Edward H. Morgan, & Ronald A. Remillard. (1988). SAS 3 and Einstein observations of the 11 minute orbital period of the globular cluster X-ray source 4U 1820-30. The Astrophysical Journal, 324, 851. https://doi.org/10.1086/165943
Chicago
Michael R. Garcia, Edward H. Morgan, and Ronald A. Remillard. 1988. “SAS 3 and Einstein Observations of the 11 Minute Orbital Period of the Globular Cluster X-Ray Source 4U 1820-30.” The Astrophysical Journal 324 (January): 851. doi:10.1086/165943.