Reyes, E. P. Cinchona alkaloid extraction by ion exchange (preliminary investigation). Journal of the Philippine Pharmaceutical Association.
Chicago Style (17th ed.) CitationReyes, Edgardo P. "Cinchona Alkaloid Extraction by Ion Exchange (preliminary Investigation)." Journal of the Philippine Pharmaceutical Association .
MLA (9th ed.) CitationReyes, Edgardo P. "Cinchona Alkaloid Extraction by Ion Exchange (preliminary Investigation)." Journal of the Philippine Pharmaceutical Association, .
Warning: These citations may not always be 100% accurate.