MLA

Hackett, John Henry. The Concept of Public Order. Washington (D.C.): Catholic university of America press, 1959.

APA

Hackett, J. Henry. (1959). The concept of public order. Washington (D.C.): Catholic university of America press.

Chicago

Hackett, John Henry The Concept of Public Order. Washington (D.C.): Catholic university of America press, 1959.