APA

Perera H. S., Ross H. E. J. & Humes G. T. (1990). Methodology for estimating safe operating speeds for heavy trucks and combination vehicles on interchange ramps. : Transportation Research Record.

Chicago

Perera Huron S, Ross Hayes E Jr and Humes Gary T. 1990. Methodology for estimating safe operating speeds for heavy trucks and combination vehicles on interchange ramps. : Transportation Research Record.

Harvard

Perera H. S., Ross H. E. J. and Humes G. T. (1990). Methodology for estimating safe operating speeds for heavy trucks and combination vehicles on interchange ramps. : Transportation Research Record.

MLA

Perera Huron S, Ross Hayes E Jr and Humes Gary T. Methodology for estimating safe operating speeds for heavy trucks and combination vehicles on interchange ramps. : Transportation Research Record. 1990.