TeXSave
TeXSave["file.tex"]
saves a TeX version of the current input notebook in the front end.
TeXSave["file.tex","source.nb"]
saves a TeX version of the notebook from the file source.nb.
TeXSave["file.tex",notebook]
saves a TeX version of the notebook corresponding to the specified notebook object.
Wolfram Research (1996), TeXSave, Wolfram Language function, https://reference.wolfram.com/language/ref/TeXSave.html.
Text
Wolfram Research (1996), TeXSave, Wolfram Language function, https://reference.wolfram.com/language/ref/TeXSave.html.
CMS
Wolfram Language. 1996. "TeXSave." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/TeXSave.html.
APA
Wolfram Language. (1996). TeXSave. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/TeXSave.html