APA

Graebner N. A., . (1956). The new isolationism. New York: Ronald Press Co.

Chicago

Graebner Norman A, . 1956. The new isolationism. New York: Ronald Press Co.

Harvard

Graebner N. A., . (1956). The new isolationism. New York: Ronald Press Co.

MLA

Graebner Norman A, . The new isolationism. New York: Ronald Press Co. 1956.