Cite
Cosmic antimatter.
MLA
Tarle, Gregory, and Simon P. Swordy. “Cosmic Antimatter.” Scientific American, vol. 278, no. 4, Apr. 1998, p. 36. EBSCOhost, https://doi.org/10.1038/scientificamerican0498-36.
APA
Tarle, G., & Swordy, S. P. (1998). Cosmic antimatter. Scientific American, 278(4), 36. https://doi.org/10.1038/scientificamerican0498-36
Chicago
Tarle, Gregory, and Simon P. Swordy. 1998. “Cosmic Antimatter.” Scientific American 278 (4): 36. doi:10.1038/scientificamerican0498-36.