Crockford, C., Wittig, R. M., & Zuberbühler, K. (2015). An intentional vocalization draws others’ attention: A playback experiment with wild chimpanzees. Animal cognition, 18(3), 581-591. https://doi.org/10.1007/s10071-014-0827-z
Chicago Style (17th ed.) CitationCrockford, Catherine, Roman M. Wittig, and Klaus Zuberbühler. "An Intentional Vocalization Draws Others’ Attention: A Playback Experiment with Wild Chimpanzees." Animal Cognition 18, no. 3 (2015): 581-591. https://doi.org/10.1007/s10071-014-0827-z.
MLA (9th ed.) CitationCrockford, Catherine, et al. "An Intentional Vocalization Draws Others’ Attention: A Playback Experiment with Wild Chimpanzees." Animal Cognition, vol. 18, no. 3, 2015, pp. 581-591, https://doi.org/10.1007/s10071-014-0827-z.
Warning: These citations may not always be 100% accurate.