APA

Russel E., Michael H. & Butcher T. (1976). Analysis of changes in driver reaction to improved warning devices at a rural grade crossing. West Lafayette, IN: Purdue University. Joint Highway Research Project nr 76-7.

Chicago

Russel ER, Michael HL and Butcher TA. 1976. Analysis of changes in driver reaction to improved warning devices at a rural grade crossing. West Lafayette, IN: Purdue University. Joint Highway Research Project nr 76-7.

Harvard

Russel E., Michael H. and Butcher T. (1976). Analysis of changes in driver reaction to improved warning devices at a rural grade crossing. West Lafayette, IN: Purdue University. Joint Highway Research Project nr 76-7.

MLA

Russel ER, Michael HL and Butcher TA. Analysis of changes in driver reaction to improved warning devices at a rural grade crossing. West Lafayette, IN: Purdue University. Joint Highway Research Project nr 76-7. 1976.