APA (7th ed.) Citation

Sagan, C., Owen, T. C., & Smith, H. J. (1971). Planetary Atmospheres. Springer Netherlands.

Chicago Style (17th ed.) Citation

Sagan, Carl, Tobias C. Owen, and Harlan J. Smith. Planetary Atmospheres. Dordrecht: Springer Netherlands, 1971.

MLA (9th ed.) Citation

Sagan, Carl, et al. Planetary Atmospheres. Springer Netherlands, 1971.