APA (7th ed.) Citation

SpringerLink (Online service), Hockey, T., Trimble, V., Williams, T. R., Bracher, K., Jarrell, R. A., . . . Bolt, M. (2007). The Biographical Encyclopedia of Astronomers. Springer New York.

Chicago Style (17th ed.) Citation

SpringerLink (Online service), et al. The Biographical Encyclopedia of Astronomers. New York, NY: Springer New York, 2007.

MLA (8th ed.) Citation

SpringerLink (Online service), et al. The Biographical Encyclopedia of Astronomers. Springer New York, 2007.

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