APA (7th ed.) Citation

(1978). The National Library of the Philippines. [s.n.].

Chicago Style (17th ed.) Citation

The National Library of the Philippines. [s.l.]: [s.n.], 1978.

MLA (9th ed.) Citation

The National Library of the Philippines. [s.n.], 1978.

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