APA (7th ed.) Citation

Townes, C. H., & Schawlow, A. L. (1975). Microwave spectroscopy. Dover Publications.

Chicago Style (17th ed.) Citation

Townes, Charles H., and A. L. Schawlow. Microwave Spectroscopy. New York: Dover Publications, 1975.

MLA (9th ed.) Citation

Townes, Charles H., and A. L. Schawlow. Microwave Spectroscopy. Dover Publications, 1975.