APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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