APA (7th ed.) Citation

Wijesekera, R., Ratnayaka, V. U., & Ratnasingham, K. (1975). Natural products technical notes series no 1: : Vanila. : Ceylon Institute of science and industrial research.

Chicago Style (17th ed.) Citation

Wijesekera, Rob, V. U. Ratnayaka, and K. Ratnasingham. Natural Products Technical Notes Series No 1: : Vanila. Colombo: : Ceylon Institute of science and industrial research, 1975.

MLA (9th ed.) Citation

Wijesekera, Rob, et al. Natural Products Technical Notes Series No 1: : Vanila. : Ceylon Institute of science and industrial research, 1975.