When you cite Martindale, we recommend the following styles:
Sweetman S (Ed), Martindale: The Complete Drug Reference 35. [CD-ROM] London: Pharmaceutical Press, 2007.
Sweetman S (Ed), Martindale: The Complete Drug Reference. [online] London: Pharmaceutical Press <http://www.medicinescomplete.com/> (Accessed on [date]).
This citation should always be added to copies of documents printed from Martindale if it is not already present.