Cita APA (7a ed.)

International Road Federation. (1950). World road statistics: Data ... ; planning, development, environment, safety, mobility, commerce. IRF.

Cita Chicago Style (17a ed.)

International Road Federation. World Road Statistics: Data ... ; Planning, Development, Environment, Safety, Mobility, Commerce. Vernier [u.a.]: IRF, 1950.

Cita MLA (9a ed.)

International Road Federation. World Road Statistics: Data ... ; Planning, Development, Environment, Safety, Mobility, Commerce. IRF, 1950.