APA (7th ed.) Citation

Pickering, J., & Moore, P. (1972). 1001 questions answered about astronomy (4th revised ed.). Lutterworth Press.

Chicago Style (17th ed.) Citation

Pickering, James, and Patrick Moore. 1001 Questions Answered About Astronomy. 4th revised ed. Guildford: Lutterworth Press, 1972.

MLA (8th ed.) Citation

Pickering, James, and Patrick Moore. 1001 Questions Answered About Astronomy. 4th revised ed. Lutterworth Press, 1972.