APA Style
The Encyclopedia Americana International Edition Volume 20. (1970).
Amerika:
Americana Corporation.
Chicago Style
The Encyclopedia Americana International Edition Volume 20.
Edition Volume 20.
Amerika:
Americana Corporation,
1970.
Text.
MLA Style
The Encyclopedia Americana International Edition Volume 20.
Edition Volume 20.
Amerika:
Americana Corporation,
1970.
Text.
Turabian Style
The Encyclopedia Americana International Edition Volume 20.
Amerika:
Americana Corporation,
1970.
Print.