APA (7th ed.) Citation

Colayco, M. T. (1978). Seeds and suds: The story of Philippine Refining Company. PRC].

Chicago Style (17th ed.) Citation

Colayco, Maria Teresa. Seeds and Suds: The Story of Philippine Refining Company. [Manila: PRC], 1978.

MLA (9th ed.) Citation

Colayco, Maria Teresa. Seeds and Suds: The Story of Philippine Refining Company. PRC], 1978.

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