Cita APA (7a ed.)

Baumer, E. P. (2010). A missing piece in the crime drop puzzle. Criminology in Europe, 9(1), .

Cita Chicago Style (17a ed.)

Baumer, Eric P. "A Missing Piece in the Crime Drop Puzzle." Criminology in Europe 9, no. 1 (2010).

Cita MLA (8a ed.)

Baumer, Eric P. "A Missing Piece in the Crime Drop Puzzle." Criminology in Europe, vol. 9, no. 1, 2010.