Citazione APA

Jenks, J. W., & Clark, W. E. (1917). The trust problem (4th ed.). Doubleday, Doran & Company.

Stile di citazione Chicago

Jenks, Jeremiah Whipple, e Walter Ernest Clark. The Trust Problem. 4th ed. Garden City, N. Y.: Doubleday, Doran & Company, 1917.

Citazione MLA

Jenks, Jeremiah Whipple, e Walter Ernest Clark. The Trust Problem. 4th ed. Doubleday, Doran & Company, 1917.