Cita APA (7a ed.)

Stata Corporation. (2009). Stata user's guide release 11. Stata Press.

Cita Chicago Style (17a ed.)

Stata Corporation. Stata User's Guide Release 11. College Station, Tex.: Stata Press, 2009.

Cita MLA (9a ed.)

Stata Corporation. Stata User's Guide Release 11. Stata Press, 2009.