Cita APA (7a ed.)

Leon Alexis & Leon Mathews. (1999). Database Management Systems. Leon Press.

Cita Chicago Style (17a ed.)

Leon Alexis y Leon Mathews. Database Management Systems. Chennai: Leon Press, 1999.

Cita MLA (9a ed.)

Leon Alexis y Leon Mathews. Database Management Systems. Leon Press, 1999.