APA (7th ed.) Citation

Knox, R. (1976). Experiments in astronomy for amateurs. St. Martin's Press.

Chicago Style (17th ed.) Citation

Knox, Richard. Experiments in Astronomy for Amateurs. New York: St. Martin's Press, 1976.

MLA (8th ed.) Citation

Knox, Richard. Experiments in Astronomy for Amateurs. St. Martin's Press, 1976.