Citazione Stile APA (7a Edizione)

Earle, H. H. (1967). Police-community relations: Crisis in our time. Thomas.

Citazione stile Chigago Style (17a edizione)

Earle, Howard H. Police-community Relations: Crisis in Our Time. Springfield, Ill: Thomas, 1967.

Citatione MLA (9a ed.)

Earle, Howard H. Police-community Relations: Crisis in Our Time. Thomas, 1967.