APA (7th ed.) Citation

Moore, P. (1977). Guide to comets (Completely revised and new ed.). Lutterworth Press.

Chicago Style (17th ed.) Citation

Moore, Patrick. Guide to Comets. Completely revised and new ed. Guildford: Lutterworth Press, 1977.

MLA (8th ed.) Citation

Moore, Patrick. Guide to Comets. Completely revised and new ed. Lutterworth Press, 1977.

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