APA (7th ed.) Citation

Michael Heinrich. (2010). Ethnopharmacology in the 21st century - grand challenges. Frontiers Media S.A..

Chicago Style (17th ed.) Citation

Michael Heinrich. Ethnopharmacology in the 21st Century - Grand Challenges. Frontiers Media S.A., 2010.

MLA (9th ed.) Citation

Michael Heinrich. Ethnopharmacology in the 21st Century - Grand Challenges. Frontiers Media S.A., 2010.

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