APA Edition Citation

Messel, H., & Butler, S. T. (1964). Space physics and radio astronomy.

Chicago Edition Citation

Messel, H., and S. T. Butler. Space Physics and Radio Astronomy. 1964.

MLA Edition Citation

Messel, H., and S. T. Butler. Space Physics and Radio Astronomy. 1964.

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