APA (7th ed.) Citation

Howard, A. W. (2013). Observed Properties of Extrasolar Planets. Science (pre-March 2025), 340(6132), 572. https://doi.org/10.1126/science.1233545

Chicago Style (17th ed.) Citation

Howard, Andrew W. "Observed Properties of Extrasolar Planets." Science (pre-March 2025) 340, no. 6132 (2013): 572. https://doi.org/10.1126/science.1233545.

MLA (9th ed.) Citation

Howard, Andrew W. "Observed Properties of Extrasolar Planets." Science (pre-March 2025), vol. 340, no. 6132, 2013, p. 572, https://doi.org/10.1126/science.1233545.

Warning: These citations may not always be 100% accurate.