APA Citation

Gardner, M., Schroeder, T., & Schroeder, T. (1997). Puzzling questions about the solar system (αναθ. και επαυξ. εκδ.). New York: Dover.

Chicago Style Citation

Gardner, Martin, Ted Schroeder, and Ted Schroeder. Puzzling Questions About the Solar System. αναθ. και επαυξ. εκδ. New York: Dover, 1997.

MLA Citation

Gardner, Martin, Ted Schroeder, and Ted Schroeder. Puzzling Questions About the Solar System. αναθ. και επαυξ. εκδ. New York: Dover, 1997.

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