Cita APA (7a ed.)

Barrett, J., Lorenz, R., & Oreshkov, O. (2021). Cyclic quantum causal models. Nature Portfolio.

Cita Chicago Style (17a ed.)

Barrett, Jonathan, Robin Lorenz, y Ognyan Oreshkov. Cyclic Quantum Causal Models. Nature Portfolio, 2021.

Cita MLA (8a ed.)

Barrett, Jonathan, et al. Cyclic Quantum Causal Models. Nature Portfolio, 2021.