APA (7th ed.) Citation

Curl, R. F., & Kilpatrick, J. E. (1960). Atomic term symbols by group theory. American Journal of Physics, 28, 357.

Chicago Style (17th ed.) Citation

Curl, R. F., and J. E. Kilpatrick. "Atomic Term Symbols by Group Theory." American Journal of Physics 28 (1960): 357.

MLA (9th ed.) Citation

Curl, R. F., and J. E. Kilpatrick. "Atomic Term Symbols by Group Theory." American Journal of Physics, vol. 28, 1960, p. 357.