APA (7th ed.) Citation

American Association of State Highway Officials. (1961). Manual for signing and pavement marking of the national system of interstate and defense highways: Revisions adopted November 26, 1960 by the American Association of State Highway Officials; revisions approved December 16, 1960. [publisher not identified].

Chicago Style (17th ed.) Citation

American Association of State Highway Officials. Manual for Signing and Pavement Marking of the National System of Interstate and Defense Highways: Revisions Adopted November 26, 1960 by the American Association of State Highway Officials; Revisions Approved December 16, 1960. [Washington]: [publisher not identified], 1961.

MLA (9th ed.) Citation

American Association of State Highway Officials. Manual for Signing and Pavement Marking of the National System of Interstate and Defense Highways: Revisions Adopted November 26, 1960 by the American Association of State Highway Officials; Revisions Approved December 16, 1960. [publisher not identified], 1961.