APA (7th ed.) Citation

Permanent International Association of Road Congresses. (1930). Results obtained by use of cement. U.S. GPO.

Chicago Style (17th ed.) Citation

Permanent International Association of Road Congresses. Results Obtained by Use of Cement. Washington: U.S. GPO, 1930.

MLA (9th ed.) Citation

Permanent International Association of Road Congresses. Results Obtained by Use of Cement. U.S. GPO, 1930.

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