APA (7th ed.) Citation

Philippine Opthalmological Society. (1961). Eye care and prevention of blindness. POS].

Chicago Style (17th ed.) Citation

Philippine Opthalmological Society. Eye Care and Prevention of Blindness. [Manilan: POS], 1961.

MLA (9th ed.) Citation

Philippine Opthalmological Society. Eye Care and Prevention of Blindness. POS], 1961.

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