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.) CitationYamamoto, 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.) CitationYamamoto, 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.