Gaya APA

Ferreiro, C. (2004). Ritalin and Other Methylphenidate-Containing Drug : DRUGS The Straight Facts . New York: Infobase Publishing.

Gaya MLA

Ferreiro, Carmen. "Ritalin and Other Methylphenidate-Containing Drug : DRUGS The Straight Facts". New York: Infobase Publishing, 2004. eBooks.