Emergency vehicle warning lights :
state of the art /
prepared by Gerald L. Howett, with Kenneth L. Kelly, and E. Thomas Pierce ; prepared for National Institute of Law Enforcement and Criminal Justice, Law Enforcement Assistance Administration, U.S. Department of Justice.

APA Citation

Howett, G. Leonard., Pierce, E. Thomas., Kelly, K. Low., National Institute of Law Enforcement and Criminal Justice. (1978). Emergency vehicle warning lights: state of the art. Washington: U.S. Dept. of Commerce, National Bureau of Standards .

MLA Citation

Howett, Gerald Leonard, 1931-, E. Thomas Pierce, Kenneth Low Kelly, and National Institute of Law Enforcement and Criminal Justice. Emergency Vehicle Warning Lights: State of the Art. Washington: U.S. Dept. of Commerce, National Bureau of Standards , 1978.

Warning: These citations may not always be complete (especially for serials).