APA Style

The Encyclopedia Americana International Edition Volume 18. (1970). Amerika: Americana Corporation.

Chicago Style

The Encyclopedia Americana International Edition Volume 18. Edition Volume 18. Amerika: Americana Corporation, 1970. Text.

MLA Style

The Encyclopedia Americana International Edition Volume 18. Edition Volume 18. Amerika: Americana Corporation, 1970. Text.

Turabian Style

The Encyclopedia Americana International Edition Volume 18. Amerika: Americana Corporation, 1970. Print.