APA (7th ed.) Citation

Schoen, L. J. (2003). Preventive maintenance and building operation efficiency. Building Services Engineering Consultants.

Chicago Style (17th ed.) Citation

Schoen, Lawrence J. Preventive Maintenance and Building Operation Efficiency. Washington, DC: Building Services Engineering Consultants, 2003.

MLA (9th ed.) Citation

Schoen, Lawrence J. Preventive Maintenance and Building Operation Efficiency. Building Services Engineering Consultants, 2003.