APA aipamena

Society for Medicinal Plant Research (1989 : Braunschweig), Hartmann, T., & Reinhard, E. (1989). 37th annual congress from September 5 to 9. Georg Thieme Verlag.

Chicago Style aipamena

Society for Medicinal Plant Research (1989 : Braunschweig), T. Hartmann, and Ernst Reinhard. 37th Annual Congress from September 5 to 9. New York: Georg Thieme Verlag, 1989.

MLA aipamena

Society for Medicinal Plant Research (1989 : Braunschweig), et al. 37th Annual Congress from September 5 to 9. Georg Thieme Verlag, 1989.