APA-viite (7. p.)

Gourley, G. D. (1953). Public relations and the police; with a foreword by August Vollmer. Thomas.

Chicago-viite (17. p.)

Gourley, Gerald Douglas. Public Relations and the Police; with a Foreword by August Vollmer. Springfield, Ill: Thomas, 1953.

MLA-viite (9. p.)

Gourley, Gerald Douglas. Public Relations and the Police; with a Foreword by August Vollmer. Thomas, 1953.