Cita APA (7th ed.)

Depue, L. (2003). Safety management systems: A synthesis of highway practice. Transportation Research Board, National Research Council.

Cita Chicago (17th ed.)

Depue, Leanna. Safety Management Systems: A Synthesis of Highway Practice. Washington, D.C: Transportation Research Board, National Research Council, 2003.

Cita MLA (9th ed.)

Depue, Leanna. Safety Management Systems: A Synthesis of Highway Practice. Transportation Research Board, National Research Council, 2003.