APA (7th ed.) Citation

Ulmer, S., Rodegheri, C. C., Blaum, K., Kracke, H., Mooser, A., Quint, W., & Walz, J. (2011). Observation of spin flips with a single trapped proton. Physical review letters, 106(25), . https://doi.org/10.1103/PhysRevLett.106.253001

Chicago Style (17th ed.) Citation

Ulmer, Stefan, C. C. Rodegheri, Klaus Blaum, H. Kracke, A. Mooser, Wolfgang Quint, and J. Walz. "Observation of Spin Flips with a Single Trapped Proton." Physical Review Letters 106, no. 25 (2011). https://doi.org/10.1103/PhysRevLett.106.253001.

MLA (9th ed.) Citation

Ulmer, Stefan, et al. "Observation of Spin Flips with a Single Trapped Proton." Physical Review Letters, vol. 106, no. 25, 2011, https://doi.org/10.1103/PhysRevLett.106.253001.