APA Style

Singer, David; -; -. (1990). Models, Methods, and Progress in World Politics . : .

Chicago Style

Singer, David; -; -. Models, Methods, and Progress in World Politics. : , 1990. .

MLA Style

Singer, David; -; -. Models, Methods, and Progress in World Politics. : , 1990. .

Turabian Style

Singer, David; -; -. Models, Methods, and Progress in World Politics. : , 1990. .