APA (7th ed.) Citation

De Guzman, A. D., & Castillo, A. V. The bitter principles of Tinospora rumphii Boerl.

Chicago Style (17th ed.) Citation

De Guzman, Anita D., and Amorita V. Castillo. The Bitter Principles of Tinospora Rumphii Boerl.

MLA (9th ed.) Citation

De Guzman, Anita D., and Amorita V. Castillo. The Bitter Principles of Tinospora Rumphii Boerl.

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