APA (7th ed.) Citation

Center for Compliance Information (Aspen Systems Corporation) & Lawrence, K. (1978). Noise control in the workplace. Aspen Systems Corp.

Chicago Style (17th ed.) Citation

Center for Compliance Information (Aspen Systems Corporation) and Kenneth Lawrence. Noise Control in the Workplace. Germantown, Md: Aspen Systems Corp, 1978.

MLA (9th ed.) Citation

Center for Compliance Information (Aspen Systems Corporation) and Kenneth Lawrence. Noise Control in the Workplace. Aspen Systems Corp, 1978.