Cita APA

 Pankratz, T. M. (2001).  Environmental engineering dictionary and directory.  Lewis.

Chicago Style Citation

 Pankratz, Tom M.  Environmental Engineering Dictionary and Directory.  Lewis, 2001.

Cita MLA

 Pankratz, Tom M.  Environmental Engineering Dictionary and Directory.  Lewis, 2001.

Atenció: Aquestes cites poden no estar 100% correctes.