Citazione Stile APA (7a Edizione)

Preiss, J. J., & Erlich, H. J. (1966). An examination of role theory; the case of the state police. University of Nebraska Press.

Citazione stile Chigago Style (17a edizione)

Preiss, Jack Joseph, e Howard J. Erlich. An Examination of Role Theory; the Case of the State Police. Lincoln: University of Nebraska Press, 1966.

Citatione MLA (9a ed.)

Preiss, Jack Joseph, e Howard J. Erlich. An Examination of Role Theory; the Case of the State Police. University of Nebraska Press, 1966.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.