APA

Fruin J. J., Ketcham B. T. & Hecht P. (1988). Validation of the time-space corner and crosswalk analysis method. : Transportation Research Record.

Chicago

Fruin John J, Ketcham Brian T and Hecht Peter. 1988. Validation of the time-space corner and crosswalk analysis method. : Transportation Research Record.

Harvard

Fruin J. J., Ketcham B. T. and Hecht P. (1988). Validation of the time-space corner and crosswalk analysis method. : Transportation Research Record.

MLA

Fruin John J, Ketcham Brian T and Hecht Peter. Validation of the time-space corner and crosswalk analysis method. : Transportation Research Record. 1988.