APA (7th ed.) Citation

Yamamoto, S., Humle, T., & Tanaka, M. (2012). Chimpanzees’ flexible targeted helping based on an understanding of conspecifics’ goals. Proceedings of the National Academy of Sciences - PNAS, 109(9), 3588-3592. https://doi.org/10.1073/pnas.1108517109

Chicago Style (17th ed.) Citation

Yamamoto, Shinya, Tatyana Humle, and Masayuki Tanaka. "Chimpanzees’ Flexible Targeted Helping Based on an Understanding of Conspecifics’ Goals." Proceedings of the National Academy of Sciences - PNAS 109, no. 9 (2012): 3588-3592. https://doi.org/10.1073/pnas.1108517109.

MLA (9th ed.) Citation

Yamamoto, Shinya, et al. "Chimpanzees’ Flexible Targeted Helping Based on an Understanding of Conspecifics’ Goals." Proceedings of the National Academy of Sciences - PNAS, vol. 109, no. 9, 2012, pp. 3588-3592, https://doi.org/10.1073/pnas.1108517109.

Warning: These citations may not always be 100% accurate.