APA (7th ed.) Citation

Organisation for Economic Co-operation and Development. (1972). Speed limits outside built-up areas. [publisher not identified].

Chicago Style (17th ed.) Citation

Organisation for Economic Co-operation and Development. Speed Limits Outside Built-up Areas. [Paris]: [publisher not identified], 1972.

MLA (9th ed.) Citation

Organisation for Economic Co-operation and Development. Speed Limits Outside Built-up Areas. [publisher not identified], 1972.