Gaya APA

Ulbricht, C, [, E., Seamon, E, [. (2010). Natural Standard Herbal Pharmacotherapy : An Envidence-Based Approach . St. Louis, Missouri: Mosby Elsevier.

Gaya MLA

Ulbricht, Catherine, [, Editor]., Seamon, Erica, [editor]. "Natural Standard Herbal Pharmacotherapy : An Envidence-Based Approach". St. Louis, Missouri: Mosby Elsevier, 2010. Text.