Underoverscript
Underoverscript[x,y,z]
is an object that formats as 
.
Details
- To enter an underoverscript in a notebook, use either
to create a normal underscript or 
to create a normal overscript. After typing the first script, use 
to create the opposite script position. 
moves out of the underscript or overscript position. - Input of the form
in a notebook is interpreted as Underoverscript[x,y,z]. - Underoverscript[x,y,z] formats as
in StandardForm and TraditionalForm. - In InputForm, Underoverscript[x,y,z] formats literally as Underoverscript[x,y,z].
Examples
Wolfram Research (1996), Underoverscript, Wolfram Language function, https://reference.wolfram.com/language/ref/Underoverscript.html.
Text
Wolfram Research (1996), Underoverscript, Wolfram Language function, https://reference.wolfram.com/language/ref/Underoverscript.html.
CMS
Wolfram Language. 1996. "Underoverscript." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/Underoverscript.html.
APA
Wolfram Language. (1996). Underoverscript. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/Underoverscript.html