APA (7th ed.) Citation

Murphy, M. M., Beatty, T. G., Welbanks, L., & Fu, G. HST Transmission Spectra of the Hot Neptune HD 219666 b: Detection of Water and the Challenge of Constraining Both Water and Methane. IOP Publishing.

Chicago Style (17th ed.) Citation

Murphy, Matthew M., Thomas G. Beatty, Luis Welbanks, and Guangwei Fu. HST Transmission Spectra of the Hot Neptune HD 219666 B: Detection of Water and the Challenge of Constraining Both Water and Methane. IOP Publishing.

MLA (9th ed.) Citation

Murphy, Matthew M., et al. HST Transmission Spectra of the Hot Neptune HD 219666 B: Detection of Water and the Challenge of Constraining Both Water and Methane. IOP Publishing.

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