APA (7th ed.) Citation

Boquiren, R. (2003). Current situation of the Cordillera. [name of publisher not identified].

Chicago Style (17th ed.) Citation

Boquiren, Rowena. Current Situation of the Cordillera. [Place of publication not identified]: [name of publisher not identified], 2003.

MLA (9th ed.) Citation

Boquiren, Rowena. Current Situation of the Cordillera. [name of publisher not identified], 2003.