APA
Barrett R., . (1971). Research into slush drag, wheel spray and aquaplaning at Bristol University using small pneumatic tyres. London: Ministry of Defence. Aeronautical Research Council. Reports and Memoranda nr 3682.
Chicago
Barrett RV, . 1971. Research into slush drag, wheel spray and aquaplaning at Bristol University using small pneumatic tyres. London: Ministry of Defence. Aeronautical Research Council. Reports and Memoranda nr 3682.
Harvard
Barrett R., . (1971). Research into slush drag, wheel spray and aquaplaning at Bristol University using small pneumatic tyres. London: Ministry of Defence. Aeronautical Research Council. Reports and Memoranda nr 3682.
MLA
Barrett RV, . Research into slush drag, wheel spray and aquaplaning at Bristol University using small pneumatic tyres. London: Ministry of Defence. Aeronautical Research Council. Reports and Memoranda nr 3682. 1971.