"According to the US Department of
Education, "students in online conditions
performed modestly better, on average, than
those learning the same material through
traditional face-to-face instruction"
(Evaluation xiv)."
This (above) would be the better citation.
However, there are some points to consider.
- If it is only part of a sentence at the end or the beginning, you should probably put a ... for example, "...students e.t.c"
- If there should be punctuation after the last word in the quotation
