APA (7th ed.) Citation

Sa-onoy, M. P. (1992). A history of Negros Occidental. s.n.

Chicago Style (17th ed.) Citation

Sa-onoy, Modesto P. A History of Negros Occidental. [S.l.: s.n, 1992.

MLA (9th ed.) Citation

Sa-onoy, Modesto P. A History of Negros Occidental. s.n, 1992.