APA Style
Pharmacopoeia, U, S. (2006).
USP NF : The Official Compendia of Standards .
Maryland:
The Unites States Pharmacopoeia.
MLA Style
Pharmacopoeia, United, States.
"USP NF : The Official Compendia of Standards".
Maryland:
The Unites States Pharmacopoeia,
2006.
print.