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.
.