APA (7th ed.) Citation
Freeman, A. J., & Frankel, R. B. (1967). Hyperfine interactions. Academic Press.
Chicago Style (17th ed.) Citation
Freeman, A. J., and R. B. Frankel. Hyperfine Interactions. New York, N.Y.: Academic Press, 1967.
MLA (9th ed.) Citation
Freeman, A. J., and R. B. Frankel. Hyperfine Interactions. Academic Press, 1967.
Warning: These citations may not always be 100% accurate.