Cita APA (7a ed.)

Silverleaf, A. (1974). TRRL and the future. Transport and Road Research Laboratory.

Cita Chicago Style (17a ed.)

Silverleaf, A. TRRL and the Future. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1974.

Cita MLA (9a ed.)

Silverleaf, A. TRRL and the Future. Transport and Road Research Laboratory, 1974.