Cita APA (7th ed.)

Cunningham, R. A. (1971). Control of highway advertising signs: Some legal problems. Highway Research Board, National Research Council.

Cita Chicago (17th ed.)

Cunningham, Roger A. Control of Highway Advertising Signs: Some Legal Problems. [Washington]: Highway Research Board, National Research Council, 1971.

Cita MLA (9th ed.)

Cunningham, Roger A. Control of Highway Advertising Signs: Some Legal Problems. Highway Research Board, National Research Council, 1971.