APA-viite (7. p.)

Wimpenny, J., Weir, A., & Kacelnik, A. (2011). New Caledonia crows use tools for non-foraging activities. Springer-Verlag.

Chicago-viite (17. p.)

Wimpenny, J., A. Weir, ja A. Kacelnik. New Caledonia Crows Use Tools for Non-foraging Activities. Springer-Verlag, 2011.

MLA-viite (9. p.)

Wimpenny, J., et al. New Caledonia Crows Use Tools for Non-foraging Activities. Springer-Verlag, 2011.