APA

Haas E. B., . (1958). The uniting of Europe: political, social, and economic forces, 1950-1957. Stanford, Calif: Stanford University Press.

Chicago

Haas Ernst B, . 1958. The uniting of Europe: political, social, and economic forces, 1950-1957. Stanford, Calif: Stanford University Press.

Harvard

Haas E. B., . (1958). The uniting of Europe: political, social, and economic forces, 1950-1957. Stanford, Calif: Stanford University Press.

MLA

Haas Ernst B, . The uniting of Europe: political, social, and economic forces, 1950-1957. Stanford, Calif: Stanford University Press. 1958.