APA Style
The Encyclopedia Americana. Vols. 1-30. (1858).
United State:
Americana Corporation.
Chicago Style
The Encyclopedia Americana. Vols. 1-30.
.
United State:
Americana Corporation,
1858.
Text.
MLA Style
The Encyclopedia Americana. Vols. 1-30.
.
United State:
Americana Corporation,
1858.
Text.
Turabian Style
The Encyclopedia Americana. Vols. 1-30.
United State:
Americana Corporation,
1858.
Print.