APA Style

The world book encyclopedia volume 9 H. (1992). Amerika: The world book Inc.

Chicago Style

The world book encyclopedia volume 9 H. volume 9 H. Amerika: The world book Inc, 1992. .

MLA Style

The world book encyclopedia volume 9 H. volume 9 H. Amerika: The world book Inc, 1992. .

Turabian Style

The world book encyclopedia volume 9 H. Amerika: The world book Inc, 1992. .