APA (7th ed.) Citation

Moore, P. (1977). Guide to comets (completely rev. and new ed.). Lutterworth.

Chicago Style (17th ed.) Citation

Moore, Patrick. Guide to Comets. completely rev. and new ed. Guildford [u.a.]: Lutterworth, 1977.

MLA (9th ed.) Citation

Moore, Patrick. Guide to Comets. completely rev. and new ed. Lutterworth, 1977.