APA Citation

Hey, J. S., & Hey, J. S. (1975). The evolution of radio astronomy. New York, New York: Science History Publications.

Chicago Style Citation

Hey, J. S., and J. S. Hey. The Evolution of Radio Astronomy. New York, New York: Science History Publications, 1975.

MLA Citation

Hey, J. S., and J. S. Hey. The Evolution of Radio Astronomy. New York, New York: Science History Publications, 1975.

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