APA (7th ed.) Citation

Sa-onoy, M. P. (1992). A history of Negros Occidental. Today Printers.

Chicago Style (17th ed.) Citation

Sa-onoy, Modesto P. A History of Negros Occidental. Bacolod City: Today Printers, 1992.

MLA (9th ed.) Citation

Sa-onoy, Modesto P. A History of Negros Occidental. Today Printers, 1992.