APA (7th ed.) Citation

Philippines. Bureau of Soils. Soil map: Isabela province, Philippines (ed. 1.).

Chicago Style (17th ed.) Citation

Philippines. Bureau of Soils. Soil Map: Isabela Province, Philippines. ed. 1. [1965n].

MLA (9th ed.) Citation

Philippines. Bureau of Soils. Soil Map: Isabela Province, Philippines. ed. 1.

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