APA Style
Encyclopedia Americana: international edition. (1989).
:
Grolier.
Chicago Style
Encyclopedia Americana: international edition.
.
:
Grolier,
1989.
Book.
MLA Style
Encyclopedia Americana: international edition.
.
:
Grolier,
1989.
Book.
Turabian Style
Encyclopedia Americana: international edition.
:
Grolier,
1989.
Book.