Cita APA (7th ed.)

Helliar-Symons, R. D., & Irving, A. (1981). Masking of brake lights by high-intensity rear lights in fog. Transport and Road Research Laboratory.

Cita Chicago (17th ed.)

Helliar-Symons, R. D., i A. Irving. Masking of Brake Lights by High-intensity Rear Lights in Fog. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1981.

Cita MLA (9th ed.)

Helliar-Symons, R. D., i A. Irving. Masking of Brake Lights by High-intensity Rear Lights in Fog. Transport and Road Research Laboratory, 1981.