Wolfram Research (1988)，PolyGamma，Wolfram 语言函数，https://reference.wolfram.com/language/ref/PolyGamma.html （更新于 2022 年）.

Wolfram 语言. 1988. "PolyGamma." Wolfram 语言与系统参考资料中心. Wolfram Research. 最新版本 2022. https://reference.wolfram.com/language/ref/PolyGamma.html.

Wolfram 语言. (1988). PolyGamma. Wolfram 语言与系统参考资料中心. 追溯自 https://reference.wolfram.com/language/ref/PolyGamma.html 年

@misc{reference.wolfram_2023_polygamma, author="Wolfram Research", title="{PolyGamma}", year="2022", howpublished="\url{https://reference.wolfram.com/language/ref/PolyGamma.html}", note=[Accessed: 18-February-2024 ]}

@online{reference.wolfram_2023_polygamma, organization={Wolfram Research}, title={PolyGamma}, year={2022}, url={https://reference.wolfram.com/language/ref/PolyGamma.html}, note=[Accessed: 18-February-2024 ]}