APA Format
Hammer, Darrell P.. (1990).
The USSR : the politics of oligarchy / Darrell P. Hammer
. Boulder :: Westview Press,.
MLA Format
Hammer, Darrell P..
The USSR : the politics of oligarchy / Darrell P. Hammer
. Boulder :: Westview Press,, 1990
Chicago Format
Hammer, Darrell P.. The USSR : the politics of oligarchy / Darrell P. Hammer. Boulder :: Westview Press,, 1990.