APA (7th ed.) Citation

Barrows, D. P. The Negrito and Allied Types in the Philippines and The Ilongot or Ibilao of Luzon.

Chicago Style (17th ed.) Citation

Barrows, David P. The Negrito and Allied Types in the Philippines and The Ilongot or Ibilao of Luzon.

MLA (9th ed.) Citation

Barrows, David P. The Negrito and Allied Types in the Philippines and The Ilongot or Ibilao of Luzon.

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