APA

Kammen M. G., . (1980). People of Paradox. New York, N.Y: Oxford University Press.

Chicago

Kammen Michael G.‏, . 1980. People of Paradox. New York, N.Y: Oxford University Press.

Harvard

Kammen M. G., . (1980). People of Paradox. New York, N.Y: Oxford University Press.

MLA

Kammen Michael G.‏, . People of Paradox. New York, N.Y: Oxford University Press. 1980.