Cita APA (7a ed.)

Korth, H. F., & Silberschatz, A. (1991). Database system concepts (2nd ed.). [S.n.].

Cita Chicago Style (17a ed.)

Korth, Henry F., y Abraham Silberschatz. Database System Concepts. 2nd ed. Nueva York: [S.n.], 1991.

Cita MLA (9a ed.)

Korth, Henry F., y Abraham Silberschatz. Database System Concepts. 2nd ed. [S.n.], 1991.