APA Style
Reference Guide and Index. (2004).
London:
Encyclopedia Britannica.
Chicago Style
Reference Guide and Index.
.
London:
Encyclopedia Britannica,
2004.
Book.
MLA Style
Reference Guide and Index.
.
London:
Encyclopedia Britannica,
2004.
Book.
Turabian Style
Reference Guide and Index.
London:
Encyclopedia Britannica,
2004.
Book.