APA-Zitierstil (7. Ausg.)

Welliver, J. C. (1994). The new secret service of the United States. University of Virginia Library.

Chicago-Zitierstil (17. Ausg.)

Welliver, Judson C. The New Secret Service of the United States. Charlottesville, Va: University of Virginia Library, 1994.

MLA-Zitierstil (9. Ausg.)

Welliver, Judson C. The New Secret Service of the United States. University of Virginia Library, 1994.