APA (7th ed.) Citation

Wijesekera, R. O. B. (1991). The Medicinal plant industry. CRC Press.

Chicago Style (17th ed.) Citation

Wijesekera, R. O. B. The Medicinal Plant Industry. Boca Raton: CRC Press, 1991.

MLA (9th ed.) Citation

Wijesekera, R. O. B. The Medicinal Plant Industry. CRC Press, 1991.

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