APA (7th ed.) Citation

Townes, C. H., & Backer, D. C. (1987). The Galactic center: Proceedings of the symposium honoring C.H. Townes, Berkeley, CA, 1986. American Institute of Physics.

Chicago Style (17th ed.) Citation

Townes, Charles H., and Donald C. Backer. The Galactic Center: Proceedings of the Symposium Honoring C.H. Townes, Berkeley, CA, 1986. New York: American Institute of Physics, 1987.

MLA (8th ed.) Citation

Townes, Charles H., and Donald C. Backer. The Galactic Center: Proceedings of the Symposium Honoring C.H. Townes, Berkeley, CA, 1986. American Institute of Physics, 1987.