APA (7th ed.) Citation

Liller, W., & Mayer, B. (1985). The Cambridge astronomy guide: A practical introduction to astronomy. Cambridge University Press.

Chicago Style (17th ed.) Citation

Liller, William, and Ben Mayer. The Cambridge Astronomy Guide: A Practical Introduction to Astronomy. Cambridge: Cambridge University Press, 1985.

MLA (9th ed.) Citation

Liller, William, and Ben Mayer. The Cambridge Astronomy Guide: A Practical Introduction to Astronomy. Cambridge University Press, 1985.