APA (7th ed.) Citation

Nicholson, P. D., & Bartlett, J. L. (2020). Biographical encyclopedia of astronomers (Living reference work, continuously updated edition.). Springer. https://doi.org/10.1007/978-1-0716-0738-1

Chicago Style (17th ed.) Citation

Nicholson, Philip David, and Jennifer Lynn Bartlett. Biographical Encyclopedia of Astronomers. Living reference work, continuously updated edition. New York, NY: Springer, 2020. https://doi.org/10.1007/978-1-0716-0738-1.

MLA (9th ed.) Citation

Nicholson, Philip David, and Jennifer Lynn Bartlett. Biographical Encyclopedia of Astronomers. Living reference work, continuously updated edition. Springer, 2020. https://doi.org/10.1007/978-1-0716-0738-1.