APA Style
Stewart, Robert. (2003).
Mysteries of history .
The National Geographic Societ:
The National Geographic Society.
Chicago Style
Stewart, Robert.
Mysteries of history.
The National Geographic Societ:
The National Geographic Society,
2003.
REF.
MLA Style
Stewart, Robert.
Mysteries of history.
The National Geographic Societ:
The National Geographic Society,
2003.
REF.
Turabian Style
Stewart, Robert.
Mysteries of history.
The National Geographic Societ:
The National Geographic Society,
2003.
REF.