APA Style
GWINN, Robert P.. (1998).
The New Encyclopedia Britannica Volume 12 .
USA:
.
Chicago Style
GWINN, Robert P..
The New Encyclopedia Britannica Volume 12.
USA:
,
1998.
Text.
MLA Style
GWINN, Robert P..
The New Encyclopedia Britannica Volume 12.
USA:
,
1998.
Text.
Turabian Style
GWINN, Robert P..
The New Encyclopedia Britannica Volume 12.
USA:
,
1998.
Print.