APA Style
The World Book Encyclopedia, Volume --6 E. (2007).
Amerika:
The world book Inc.
Chicago Style
The World Book Encyclopedia, Volume --6 E.
Volume --6.
Amerika:
The world book Inc,
2007.
.
MLA Style
The World Book Encyclopedia, Volume --6 E.
Volume --6.
Amerika:
The world book Inc,
2007.
.
Turabian Style
The World Book Encyclopedia, Volume --6 E.
Amerika:
The world book Inc,
2007.
.