APA Style
GWINN, Robert P.. (1986).
The New Encyclopedia Britannica Volume 4 .
:
.
Chicago Style
GWINN, Robert P..
The New Encyclopedia Britannica Volume 4.
:
,
1986.
Text.
MLA Style
GWINN, Robert P..
The New Encyclopedia Britannica Volume 4.
:
,
1986.
Text.
Turabian Style
GWINN, Robert P..
The New Encyclopedia Britannica Volume 4.
:
,
1986.
Print.