APA Style
The European challenge. (1991).
New York:
Harvester Wheatsheaf.
Chicago Style
The European challenge.
.
New York:
Harvester Wheatsheaf,
1991.
.
MLA Style
The European challenge.
.
New York:
Harvester Wheatsheaf,
1991.
.
Turabian Style
The European challenge.
New York:
Harvester Wheatsheaf,
1991.
.