APA

Zegeer C., Deen R. & Mayes J. (1981). Effect of lane and shoulder widths on accident reduction on rural, two-lanes roads. : Transportation research record.

Chicago

Zegeer CV, Deen RC and Mayes JG. 1981. Effect of lane and shoulder widths on accident reduction on rural, two-lanes roads. : Transportation research record.

Harvard

Zegeer C., Deen R. and Mayes J. (1981). Effect of lane and shoulder widths on accident reduction on rural, two-lanes roads. : Transportation research record.

MLA

Zegeer CV, Deen RC and Mayes JG. Effect of lane and shoulder widths on accident reduction on rural, two-lanes roads. : Transportation research record. 1981.