APA (7th ed.) Citation

Bruss, D., Ekert, A., & Macchiavello, C. (1998). Optimal universal quantum cloning and state estimation.

Chicago Style (17th ed.) Citation

Bruss, D., A. Ekert, and C. Macchiavello. Optimal Universal Quantum Cloning and State Estimation. 1998.

MLA (9th ed.) Citation

Bruss, D., et al. Optimal Universal Quantum Cloning and State Estimation. 1998.