APA (7th ed.) Citation

Moore, P. (1989). The sky at night. Harrap Books.

Chicago Style (17th ed.) Citation

Moore, Patrick. The Sky at Night. London: Harrap Books, 1989.

MLA (9th ed.) Citation

Moore, Patrick. The Sky at Night. Harrap Books, 1989.

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