APA (7th ed.) Citation

United States. Department of Commerce. (1927). Index to highways information, Jan. 1, 1927-Mar. 31, 1927. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Department of Commerce. Index to Highways Information, Jan. 1, 1927-Mar. 31, 1927. [Washington]: [publisher not identified], 1927.

MLA (9th ed.) Citation

United States. Department of Commerce. Index to Highways Information, Jan. 1, 1927-Mar. 31, 1927. [publisher not identified], 1927.