APA Style
Natural Wonders of the World. (1980).
:
.
Chicago Style
Natural Wonders of the World.
.
:
,
1980.
Non-Fiction.
MLA Style
Natural Wonders of the World.
.
:
,
1980.
Non-Fiction.
Turabian Style
Natural Wonders of the World.
:
,
1980.
Non-Fiction.