APA Format
23030. (1986). Encyclopedia Americana. Danbury : Grolier Incoprorated;
MLA Format
23030. Encyclopedia Americana. Danbury : Grolier Incoprorated;, 1986
Chicago Format
23030. Encyclopedia Americana. Danbury : Grolier Incoprorated;, 1986
Australian/Harvard Format
23030. 1986. Encyclopedia Americana. Grolier Incoprorated; Danbury