Cita APA (7a ed.)

Lewis, J. (1980). Law enforcement handgun digest (3rd ed.). DBI Books.

Cita Chicago Style (17a ed.)

Lewis, Jack. Law Enforcement Handgun Digest. 3rd ed. Northfield, Ill: DBI Books, 1980.

Cita MLA (9a ed.)

Lewis, Jack. Law Enforcement Handgun Digest. 3rd ed. DBI Books, 1980.