APA (7th ed.) Citation

Amarasingham, R. D. (1961). The alkaloids of Kopsia singapurensis.

Chicago Style (17th ed.) Citation

Amarasingham, R. D. The Alkaloids of Kopsia Singapurensis. 1961.

MLA (8th ed.) Citation

Amarasingham, R. D. The Alkaloids of Kopsia Singapurensis. 1961.

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