APA (7th ed.) Citation

Gardner, M. (1971). Space puzzles: Curious questions and answers about the solar system. Illustr. with diagrams and photographs drawings by Ted Schroeder. Simon and Schuster.

Chicago Style (17th ed.) Citation

Gardner, Martin. Space Puzzles: Curious Questions and Answers About the Solar System. Illustr. with Diagrams and Photographs Drawings by Ted Schroeder. New York: Simon and Schuster, 1971.

MLA (9th ed.) Citation

Gardner, Martin. Space Puzzles: Curious Questions and Answers About the Solar System. Illustr. with Diagrams and Photographs Drawings by Ted Schroeder. Simon and Schuster, 1971.