APA (7th ed.) Citation

Yen, D. (1972). Land use in north central Ifugao.

Chicago Style (17th ed.) Citation

Yen, D.E. Land Use in North Central Ifugao. 1972.

MLA (9th ed.) Citation

Yen, D.E. Land Use in North Central Ifugao. 1972.

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