APA (7th ed.) Citation

United Nations. Techinical Assistance Administration & Clarke, J. H. T. (1954). Inland transport in El Salvador. United Nations.

Chicago Style (17th ed.) Citation

United Nations. Techinical Assistance Administration and John H. T. Clarke. Inland Transport in El Salvador. New York: United Nations, 1954.

MLA (9th ed.) Citation

United Nations. Techinical Assistance Administration and John H. T. Clarke. Inland Transport in El Salvador. United Nations, 1954.