Cita APA (7a ed.)

Stata Corporation. (1985). Stata programming reference manual: Release 8. Stata Corporation.

Cita Chicago Style (17a ed.)

Stata Corporation. Stata Programming Reference Manual: Release 8. College Station, Tex: Stata Corporation, 1985.

Cita MLA (9a ed.)

Stata Corporation. Stata Programming Reference Manual: Release 8. Stata Corporation, 1985.