APA

Summers R., . (1948). Economic aid to Europe. New York: H. W. Wilson Co.

Chicago

Summers R, . 1948. Economic aid to Europe. New York: H. W. Wilson Co.

Harvard

Summers R., . (1948). Economic aid to Europe. New York: H. W. Wilson Co.

MLA

Summers R, . Economic aid to Europe. New York: H. W. Wilson Co. 1948.