Cite
The Triple Pulsar System PSR B1620−26 in M4
MLA
Andrew Lyne, et al. “The Triple Pulsar System PSR B1620−26 in M4.” The Astrophysical Journal, vol. 523, Oct. 1999, pp. 763–70. EBSCOhost, https://doi.org/10.1086/307771.
APA
Andrew Lyne, Fernando Camilo, Zaven Arzoumanian, & Stephen E. Thorsett. (1999). The Triple Pulsar System PSR B1620−26 in M4. The Astrophysical Journal, 523, 763–770. https://doi.org/10.1086/307771
Chicago
Andrew Lyne, Fernando Camilo, Zaven Arzoumanian, and Stephen E. Thorsett. 1999. “The Triple Pulsar System PSR B1620−26 in M4.” The Astrophysical Journal 523 (October): 763–70. doi:10.1086/307771.