APA (7th ed.) Citation

StataCorp LP. (2005). Stata user's guide: Release 9. StataCorp LP.

Chicago Style (17th ed.) Citation

StataCorp LP. Stata User's Guide: Release 9. College Station, Tex: StataCorp LP, 2005.

MLA (9th ed.) Citation

StataCorp LP. Stata User's Guide: Release 9. StataCorp LP, 2005.

Warning: These citations may not always be 100% accurate.