APA (7th ed.) Citation

Gloria Cunanan Maphouse. (1989). Map of Eastern Samar (1989 ed.). Gloria Cunanan Maphouse.

Chicago Style (17th ed.) Citation

Gloria Cunanan Maphouse. Map of Eastern Samar. 1989 ed. Makati, Metro Manila: Gloria Cunanan Maphouse, 1989.

MLA (9th ed.) Citation

Gloria Cunanan Maphouse. Map of Eastern Samar. 1989 ed. Gloria Cunanan Maphouse, 1989.

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