APA

Roelofs H. M., . (1957). The tension of citizenship. N.Y: Rinehart.

Chicago

Roelofs H Mark, . 1957. The tension of citizenship. N.Y: Rinehart.

Harvard

Roelofs H. M., . (1957). The tension of citizenship. N.Y: Rinehart.

MLA

Roelofs H Mark, . The tension of citizenship. N.Y: Rinehart. 1957.