Παραπομπή σε μορφή APA (7η εκδ.)

Stevens, W. H. S. (1917). Unfair competition ; a study of certain practices, with some reference to the trust problem in the United States of America. The University of Chicago Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Stevens, William Harrison Spring. Unfair Competition ; a Study of Certain Practices, with Some Reference to the Trust Problem in the United States of America. Chicago, Ill: The University of Chicago Press, 1917.

Παραπομπή σε μορφή MLA (9th εκδ.)

Stevens, William Harrison Spring. Unfair Competition ; a Study of Certain Practices, with Some Reference to the Trust Problem in the United States of America. The University of Chicago Press, 1917.