Are faces of different species perceived categorically by human observers?

MLA

Campbell, R., et al. “Are Faces of Different Species Perceived Categorically by Human Observers?” Proceedings. Biological Sciences, vol. 264, no. 1387, Oct. 1997, pp. 1429–34. EBSCOhost, https://doi.org/10.1098/rspb.1997.0199.

APA

Campbell, R., Pascalis, O., Coleman, M., Wallace, S. B., & Benson, P. J. (1997). Are faces of different species perceived categorically by human observers? Proceedings. Biological Sciences, 264(1387), 1429–1434. https://doi.org/10.1098/rspb.1997.0199

Chicago

Campbell, R, O Pascalis, M Coleman, S B Wallace, and P J Benson. 1997. “Are Faces of Different Species Perceived Categorically by Human Observers?” Proceedings. Biological Sciences 264 (1387): 1429–34. doi:10.1098/rspb.1997.0199.