APA (7th ed.) Citation

(1961). Negros: Surface water resources map. Bureau of Public Works.

Chicago Style (17th ed.) Citation

Negros: Surface Water Resources Map. [Manila]: Bureau of Public Works, 1961.

MLA (9th ed.) Citation

Negros: Surface Water Resources Map. Bureau of Public Works, 1961.

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