テキスト

Wolfram Research (1996), IntervalUnion, Wolfram言語関数， https://reference.wolfram.com/language/ref/IntervalUnion.html （2021年に更新）.

CMS

Wolfram Language. 1996. "IntervalUnion." Wolfram Language & System Documentation Center. Wolfram Research. Last Modified 2021. https://reference.wolfram.com/language/ref/IntervalUnion.html.

APA

Wolfram Language. (1996). IntervalUnion. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/IntervalUnion.html

BibTeX

@misc{reference.wolfram_2025_intervalunion, author="Wolfram Research", title="{IntervalUnion}", year="2021", howpublished="\url{https://reference.wolfram.com/language/ref/IntervalUnion.html}", note=[Accessed: 16-September-2025]}

BibLaTeX

@online{reference.wolfram_2025_intervalunion, organization={Wolfram Research}, title={IntervalUnion}, year={2021}, url={https://reference.wolfram.com/language/ref/IntervalUnion.html}, note=[Accessed: 16-September-2025]}