APA (7th ed.) Citation

Philippines (Republic). The National Library. (1974). Philippine national bibliography. Jan.-Feb. 1974-. The National Library.

Chicago Style (17th ed.) Citation

Philippines (Republic). The National Library. Philippine National Bibliography. Jan.-Feb. 1974-. Manila: The National Library, 1974.

MLA (9th ed.) Citation

Philippines (Republic). The National Library. Philippine National Bibliography. Jan.-Feb. 1974-. The National Library, 1974.

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