APA Style
Pfiffner, james P., Davidson, Roger H.. (2002).
Understanding the presidency (Third Edition).
ew York:
Longman.
Chicago Style
Pfiffner, james P., Davidson, Roger H..
Understanding the presidency.
Third Edition
ew York:
Longman,
2002.
print.
MLA Style
Pfiffner, james P., Davidson, Roger H..
Understanding the presidency.
Third Edition
ew York:
Longman,
2002.
print.
Turabian Style
Pfiffner, james P., Davidson, Roger H..
Understanding the presidency.
Third Edition
ew York:
Longman,
2002.
print.