Citazione Stile APA (7a Edizione)

Kenner, D., & By Requena , Y. (1996). Botanical modicine: A European professional perspective. Paradigm.

Citazione stile Chigago Style (17a edizione)

Kenner, Dan, e Yves By Requena. Botanical Modicine: A European Professional Perspective. Rrookline, Masss.: Paradigm, 1996.

Citatione MLA (9a ed.)

Kenner, Dan, e Yves By Requena. Botanical Modicine: A European Professional Perspective. Paradigm, 1996.