APA (7th ed.) Citation

Vanoverbergh, M. (1929). Negritos of Northern Luzon again. s.n.

Chicago Style (17th ed.) Citation

Vanoverbergh, Morice. Negritos of Northern Luzon Again. [S.l: s.n, 1929.

MLA (9th ed.) Citation

Vanoverbergh, Morice. Negritos of Northern Luzon Again. s.n, 1929.

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