Directory
gives the current working directory.
Examples
Wolfram Research (1991), Directory, Wolfram Language function, https://reference.wolfram.com/language/ref/Directory.html.
Text
Wolfram Research (1991), Directory, Wolfram Language function, https://reference.wolfram.com/language/ref/Directory.html.
CMS
Wolfram Language. 1991. "Directory." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/Directory.html.
APA
Wolfram Language. (1991). Directory. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/Directory.html