APA Citation

Summer,R Shippey,J. (1977). The use of rumbles areas to alert drivers. London: TRRL.

Chicago Style Citation

Summer,R Shippey,J. The Use of Rumbles Areas to Alert Drivers. London: TRRL, 1977.

MLA Citation

Summer,R Shippey,J. The Use of Rumbles Areas to Alert Drivers. London: TRRL, 1977.

Warning: These citations may not always be 100% accurate.