Cita APA (7th ed.)

Watts, G. R. (1984). Pedal cycle lamps and reflectors: Some visibility tests and surveys. Transport and Road Research Laboratory.

Cita Chicago (17th ed.)

Watts, G. R. Pedal Cycle Lamps and Reflectors: Some Visibility Tests and Surveys. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1984.

Cita MLA (9th ed.)

Watts, G. R. Pedal Cycle Lamps and Reflectors: Some Visibility Tests and Surveys. Transport and Road Research Laboratory, 1984.