Cita APA (7a ed.)

Sin autor, International Business Machines Corporation - IBM, & Rational Software Corporation. (2002). Rational PurifyPlus for Linux: Reference manual. [S.n.].

Cita Chicago Style (17a ed.)

Sin autor, International Business Machines Corporation - IBM, y Rational Software Corporation. Rational PurifyPlus for Linux: Reference Manual. [S.l.]: [S.n.], 2002.

Cita MLA (9a ed.)

Sin autor, et al. Rational PurifyPlus for Linux: Reference Manual. [S.n.], 2002.