APA (7th ed.) Citation

American Association of State Highway Officials. (1942). A Policy on rotary intersections. The Association.

Chicago Style (17th ed.) Citation

American Association of State Highway Officials. A Policy on Rotary Intersections. Washington, D.C.: The Association, 1942.

MLA (9th ed.) Citation

American Association of State Highway Officials. A Policy on Rotary Intersections. The Association, 1942.

Warning: These citations may not always be 100% accurate.