APA Style

The encyclopedia americana : International edition volume 4. (1977). Canada: Grolier Limited.

Chicago Style

The encyclopedia americana : International edition volume 4. volume 4. Canada: Grolier Limited, 1977. .

MLA Style

The encyclopedia americana : International edition volume 4. volume 4. Canada: Grolier Limited, 1977. .

Turabian Style

The encyclopedia americana : International edition volume 4. Canada: Grolier Limited, 1977. .