APA (7th ed.) Citation

Johnson, H. D. (1980). Cross-over accidents on all-purpose dual carriageways. Transport and Road Research Laboratory.

Chicago Style (17th ed.) Citation

Johnson, H. D. Cross-over Accidents on All-purpose Dual Carriageways. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1980.

MLA (9th ed.) Citation

Johnson, H. D. Cross-over Accidents on All-purpose Dual Carriageways. Transport and Road Research Laboratory, 1980.