Cita APA (7th ed.)
Ridley, D. D. (2009). Information retrieval: SciFinder (2nd ed.). Wiley.
Cita Chicago (17th ed.)
Ridley, D. D. Information Retrieval: SciFinder. 2nd ed. Hoboken, N.J.: Wiley, 2009.
Cita MLA (9th ed.)
Ridley, D. D. Information Retrieval: SciFinder. 2nd ed. Wiley, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.