APA (7th ed.) Citation

Scheerer, O. (1911). On a quinary notation among the Ilongots of northern Luzon. ([publisher not identified]).

Chicago Style (17th ed.) Citation

Scheerer, Otto. On a Quinary Notation Among the Ilongots of Northern Luzon. Manila: ([publisher not identified]), 1911.

MLA (9th ed.) Citation

Scheerer, Otto. On a Quinary Notation Among the Ilongots of Northern Luzon. ([publisher not identified]), 1911.