APA Format
Grolier Incoprorated;
. (1986). Encyclopedia Americana
. Danbury : Grolier Incoprorated
MLA Format
Grolier Incoprorated;
. Encyclopedia Americana
. Danbury : Grolier Incoprorated, 1986
Chicago Format
Grolier Incoprorated;
. Encyclopedia Americana
. Danbury : Grolier Incoprorated, 1986
Australian/Harvard Format
Grolier Incoprorated;
. 1986. Encyclopedia Americana
. Grolier Incoprorated Danbury