APA (7th ed.) Citation

Paterno, P. A. El pacto de Biyak-na-Bato. Photoduplication Service, Library of Congress.

Chicago Style (17th ed.) Citation

Paterno, Pedro Alejandro. El Pacto De Biyak-na-Bato. Washington: Photoduplication Service, Library of Congress.

MLA (9th ed.) Citation

Paterno, Pedro Alejandro. El Pacto De Biyak-na-Bato. Photoduplication Service, Library of Congress.

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