APA (7th ed.) Citation

JD, R. (2001). Planetary exploration in the time of astrobiology: Protecting against biological contamination. Proceedings of the National Academy of Sciences of the United States of America, 98(5), 2128. https://doi.org/10.1073/pnas.061021398

Chicago Style (17th ed.) Citation

JD, Rummel. "Planetary Exploration in the Time of Astrobiology: Protecting Against Biological Contamination." Proceedings of the National Academy of Sciences of the United States of America 98, no. 5 (2001): 2128. https://doi.org/10.1073/pnas.061021398.

MLA (9th ed.) Citation

JD, Rummel. "Planetary Exploration in the Time of Astrobiology: Protecting Against Biological Contamination." Proceedings of the National Academy of Sciences of the United States of America, vol. 98, no. 5, 2001, p. 2128, https://doi.org/10.1073/pnas.061021398.