APA (7th ed.) Citation

Padilla, H. The Bontoc rice terraces: An ecological heritage.

Chicago Style (17th ed.) Citation

Padilla, Hil. The Bontoc Rice Terraces: An Ecological Heritage.

MLA (9th ed.) Citation

Padilla, Hil. The Bontoc Rice Terraces: An Ecological Heritage.

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