APA

Dewar R. E., Kline D. W. & Swanson H. A. (1994). Age differences in comprehension of traffic sign symbols. : Transportation Research Record.

Chicago

Dewar Robert E, Kline Donald W and Swanson H Allen. 1994. Age differences in comprehension of traffic sign symbols. : Transportation Research Record.

Harvard

Dewar R. E., Kline D. W. and Swanson H. A. (1994). Age differences in comprehension of traffic sign symbols. : Transportation Research Record.

MLA

Dewar Robert E, Kline Donald W and Swanson H Allen. Age differences in comprehension of traffic sign symbols. : Transportation Research Record. 1994.