APA (7th ed.) Citation

Philippine National Science Society. (1989). Proceedings of the 55th emerald year anniversity celebration. Philippine National Science Society.

Chicago Style (17th ed.) Citation

Philippine National Science Society. Proceedings of the 55th Emerald Year Anniversity Celebration. Taguig, Metro Manila: Philippine National Science Society, 1989.

MLA (9th ed.) Citation

Philippine National Science Society. Proceedings of the 55th Emerald Year Anniversity Celebration. Philippine National Science Society, 1989.

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