APA (7th ed.) Citation

Ulmer, S., Blaum, K., Kracke, H., Mooser, A., Quint, W., Rodegheri, C. C., & Walz, J. (2011). Direct measurement of the free cyclotron frequency of a single particle in a penning trap. Physical review letters, 107(10), . https://doi.org/10.1103/PhysRevLett.107.103002

Chicago Style (17th ed.) Citation

Ulmer, Stefan, Klaus Blaum, H. Kracke, A. Mooser, Wolfgang Quint, C. C. Rodegheri, and J. Walz. "Direct Measurement of the Free Cyclotron Frequency of a Single Particle in a Penning Trap." Physical Review Letters 107, no. 10 (2011). https://doi.org/10.1103/PhysRevLett.107.103002.

MLA (9th ed.) Citation

Ulmer, Stefan, et al. "Direct Measurement of the Free Cyclotron Frequency of a Single Particle in a Penning Trap." Physical Review Letters, vol. 107, no. 10, 2011, https://doi.org/10.1103/PhysRevLett.107.103002.