APA Edition Citation

Leon, A., & Leon, M. (1999). Database management systems. Vikas.

Chicago Edition Citation

Leon, Alexis, and Mathews Leon. Database Management Systems. New Delhi: Vikas, 1999.

MLA Edition Citation

Leon, Alexis, and Mathews Leon. Database Management Systems. Vikas, 1999.

Warning: These citations may not always be 100% accurate.