APA Style
Inside the Medieval World. (2016).
United States:
National Geographic.
Chicago Style
Inside the Medieval World.
.
United States:
National Geographic,
2016.
Text.
MLA Style
Inside the Medieval World.
.
United States:
National Geographic,
2016.
Text.
Turabian Style
Inside the Medieval World.
United States:
National Geographic,
2016.
Print.