APA (7th ed.) Citation

Bely, P., Christian, C., & Roy, J. (2016). A question and answer guide to astronomy ([Revised 2016].). Cambridge University Press.

Chicago Style (17th ed.) Citation

Bely, Pierre-Yves, Carol Christian, and Jean-René Roy. A Question and Answer Guide to Astronomy. [Revised 2016]. Cambridge: Cambridge University Press, 2016.

MLA (8th ed.) Citation

Bely, Pierre-Yves, et al. A Question and Answer Guide to Astronomy. [Revised 2016]. Cambridge University Press, 2016.