APA Citation

Sobel, L. A., & Sobel, L. A. (1965). Space: From Sputnik to Gemnini. New York, New York: Facts on File.

Chicago Style Citation

Sobel, Lester A., and Lester A. Sobel. Space: From Sputnik to Gemnini. New York, New York: Facts on File, 1965.

MLA Citation

Sobel, Lester A., and Lester A. Sobel. Space: From Sputnik to Gemnini. New York, New York: Facts on File, 1965.

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