Cita APA (7th ed.)

Carlin-Smith, H. R. (1977). The effectiveness of school crossing accident countermeasures. Carlin-Smith.

Cita Chicago (17th ed.)

Carlin-Smith, Harold Robert. The Effectiveness of School Crossing Accident Countermeasures. Melbourne: Carlin-Smith, 1977.

Cita MLA (8th ed.)

Carlin-Smith, Harold Robert. The Effectiveness of School Crossing Accident Countermeasures. Carlin-Smith, 1977.