APA

Kammen M., . (1980). People of paradox : an inquiry concerning the origins of Américan civilization. New York: Oxford University Press.

Chicago

Kammen Michael, . 1980. People of paradox : an inquiry concerning the origins of Américan civilization. New York: Oxford University Press.

Harvard

Kammen M., . (1980). People of paradox : an inquiry concerning the origins of Américan civilization. New York: Oxford University Press.

MLA

Kammen Michael, . People of paradox : an inquiry concerning the origins of Américan civilization. New York: Oxford University Press. 1980.