APA (7th ed.) Citation

United States. Bureau of Public Roads. (1925). Prime pyrotol this way. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Bureau of Public Roads. Prime Pyrotol This Way. Washington: U.S. GPO, 1925.

MLA (9th ed.) Citation

United States. Bureau of Public Roads. Prime Pyrotol This Way. U.S. GPO, 1925.

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