Cita APA (7a ed.)

Elliot, C. O. (1968). Business information processing systems (Rev. ed.). Irwin.

Cita Chicago Style (17a ed.)

Elliot, C. Orvulle. Business Information Processing Systems. Rev. ed. Homewood, Ill: Irwin, 1968.

Cita MLA (9a ed.)

Elliot, C. Orvulle. Business Information Processing Systems. Rev. ed. Irwin, 1968.