APA (7th ed.) Citation

Villareal, S. A. The tertiary alkaloids of two Philippine species of the Berberidaceae: Berberis barandana Vidal and Mahonia philippinensis Takeda.

Chicago Style (17th ed.) Citation

Villareal, Susan Andaya. The Tertiary Alkaloids of Two Philippine Species of the Berberidaceae: Berberis Barandana Vidal and Mahonia Philippinensis Takeda.

MLA (9th ed.) Citation

Villareal, Susan Andaya. The Tertiary Alkaloids of Two Philippine Species of the Berberidaceae: Berberis Barandana Vidal and Mahonia Philippinensis Takeda.

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