APA (7th ed.) Citation

M. R. Kalita, J. A. B. (2018). Isotope shifts in the $7s→8s$ transition of francium: Measurements and comparison to ab initio theory. American Physical Society (APS).

Chicago Style (17th ed.) Citation

M. R. Kalita, J. A. Behr. Isotope Shifts in the $7s→8s$ Transition of Francium: Measurements and Comparison to Ab Initio Theory. American Physical Society (APS), 2018.

MLA (9th ed.) Citation

M. R. Kalita, J. A. Behr. Isotope Shifts in the $7s→8s$ Transition of Francium: Measurements and Comparison to Ab Initio Theory. American Physical Society (APS), 2018.

Warning: These citations may not always be 100% accurate.