Cita APA (7th ed.)

Obst, P. (2011). Age and gender comparisons of driving while sleepy: Behaviours and risk perceptions. Elsevier Ltd.

Cita Chicago (17th ed.)

Obst, Patricia. Age and Gender Comparisons of Driving While Sleepy: Behaviours and Risk Perceptions. Netherlands: Elsevier Ltd, 2011.

Cita MLA (8th ed.)

Obst, Patricia. Age and Gender Comparisons of Driving While Sleepy: Behaviours and Risk Perceptions. Elsevier Ltd, 2011.