APA (7th ed.) Citation

Mullauer, F. B., Kessler, J. H., & Medema, J. P. (2009). Betulin is a potent anti-tumor agent that is enhanced by cholesterol. Public Library of Science (PLoS).

Chicago Style (17th ed.) Citation

Mullauer, Franziska B., Jan H. Kessler, and Jan Paul Medema. Betulin Is a Potent Anti-tumor Agent That Is Enhanced by Cholesterol. Public Library of Science (PLoS), 2009.

MLA (9th ed.) Citation

Mullauer, Franziska B., et al. Betulin Is a Potent Anti-tumor Agent That Is Enhanced by Cholesterol. Public Library of Science (PLoS), 2009.