APA (7th ed.) Citation

Permanent International Association of Road Congresses. (1930). Results obtained by use of (A) cement, (B) brick or other artificial paving. U.S. GPO.

Chicago Style (17th ed.) Citation

Permanent International Association of Road Congresses. Results Obtained by Use of (A) Cement, (B) Brick or Other Artificial Paving. Washington: U.S. GPO, 1930.

MLA (9th ed.) Citation

Permanent International Association of Road Congresses. Results Obtained by Use of (A) Cement, (B) Brick or Other Artificial Paving. U.S. GPO, 1930.