APA-viite (7. p.)

Calabrese, P., Cardy, J., & Tonni, E. (2013). Entanglement negativity in extended systems: A field theoretical approach.

Chicago-viite (17. p.)

Calabrese, P., J. Cardy, ja E. Tonni. Entanglement Negativity in Extended Systems: A Field Theoretical Approach. 2013.

MLA-viite (9. p.)

Calabrese, P., et al. Entanglement Negativity in Extended Systems: A Field Theoretical Approach. 2013.