APA (7th ed.) Citation

NATO Advanced Study Institute, Freeman, A. J., & Frankel, R. B. (1967). Hyperfine interactions. Academic Press.

Chicago Style (17th ed.) Citation

NATO Advanced Study Institute, Arthur J. Freeman, and Richard B. Frankel. Hyperfine Interactions. New York: Academic Press, 1967.

MLA (8th ed.) Citation

NATO Advanced Study Institute, et al. Hyperfine Interactions. Academic Press, 1967.