APA (7th ed.) Citation

Torres, W. D., & Abcede, J. B. Preliminary studies of two Philippine medicinal plants.

Chicago Style (17th ed.) Citation

Torres, William D., and Juanito B. Abcede. Preliminary Studies of Two Philippine Medicinal Plants.

MLA (9th ed.) Citation

Torres, William D., and Juanito B. Abcede. Preliminary Studies of Two Philippine Medicinal Plants.

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