APA (7th ed.) Citation

Bruss, D., Ekert, A., & Macchiavello, C. (1997). Optimal universal quantum cloning and state estimation. American Physical Society.

Chicago Style (17th ed.) Citation

Bruss, D., A. Ekert, and C. Macchiavello. Optimal Universal Quantum Cloning and State Estimation. American Physical Society, 1997.

MLA (9th ed.) Citation

Bruss, D., et al. Optimal Universal Quantum Cloning and State Estimation. American Physical Society, 1997.