Cita APA (7a ed.)
Port, R. D., & Herro, H. M. The Nalco Guide to Boiler Failure Analysis: Nalco Chemical Company. McGraw-Hill.
Cita estilo Chicago (17a ed.)
Port, Robert D., y Harvey M. Herro. The Nalco Guide to Boiler Failure Analysis: Nalco Chemical Company. México: McGraw-Hill.
Cita MLA (9a ed.)
Port, Robert D., y Harvey M. Herro. The Nalco Guide to Boiler Failure Analysis: Nalco Chemical Company. McGraw-Hill.
警告：這些引文格式不一定是100％准確.