APA

Schlesinger J. R., . (1989). America at century's end. New York: Columbia University Press.

Chicago

Schlesinger James R, . 1989. America at century's end. New York: Columbia University Press.

Harvard

Schlesinger J. R., . (1989). America at century's end. New York: Columbia University Press.

MLA

Schlesinger James R, . America at century's end. New York: Columbia University Press. 1989.