APA (7th ed.) Citation

Gloria Cunanan Maphouse. (1989). Map of Surigao del Sur. Gloria Cunanan Maphouse.

Chicago Style (17th ed.) Citation

Gloria Cunanan Maphouse. Map of Surigao Del Sur. Makati, Metro Manila: Gloria Cunanan Maphouse, 1989.

MLA (9th ed.) Citation

Gloria Cunanan Maphouse. Map of Surigao Del Sur. Gloria Cunanan Maphouse, 1989.

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