APA引文

Weir, A., Chappell, J., & Kacelnik, A. (2002). Shaping of hooks in New Caledonian crows.

Chicago Style (17th ed.) Citation

Weir, A., J. Chappell, and A. Kacelnik. Shaping of Hooks in New Caledonian Crows. 2002.

MLA引文

Weir, A., et al. Shaping of Hooks in New Caledonian Crows. 2002.