Botha, R. P., & Knight, C. (2010). The prehistory of language. Oxford University Press. https://doi.org/10.1093/acprof:oso/9780199545872.001.0001
芝加哥风格引文Botha, Rudolf P., 与 Chris Knight. The Prehistory of Language. Oxford: Oxford University Press, 2010. https://doi.org/10.1093/acprof:oso/9780199545872.001.0001.
MLA引文Botha, Rudolf P., 与 Chris Knight. The Prehistory of Language. Oxford University Press, 2010. https://doi.org/10.1093/acprof:oso/9780199545872.001.0001.
警告：这些引文格式不一定是100％准确.