Cita APA (7a ed.)

Stata Corporation. (2005). Stata base reference manual release 9. Stata Press.

Cita Chicago Style (17a ed.)

Stata Corporation. Stata Base Reference Manual Release 9. College Station, Tex.: Stata Press, 2005.

Cita MLA (9a ed.)

Stata Corporation. Stata Base Reference Manual Release 9. Stata Press, 2005.