APA Style
Barack Obama, 44th President of the United States. ().
Jakarta:
United States Department of State/Bureau of International Programs.
Chicago Style
Barack Obama, 44th President of the United States.
.
Jakarta:
United States Department of State/Bureau of International Programs,
.
Text.
MLA Style
Barack Obama, 44th President of the United States.
.
Jakarta:
United States Department of State/Bureau of International Programs,
.
Text.
Turabian Style
Barack Obama, 44th President of the United States.
Jakarta:
United States Department of State/Bureau of International Programs,
.
Print.