HAZOP: Guide to Best Practice, 3rd Edition
  MLA
  Crawley, Frank, and Brian Tyler. Hazop: Guide to Best Practice, 3rd Edition. Elsevier, 2015.
  APA
  Crawley, F., & Tyler, B. (2015). HAZOP: Guide to Best Practice, 3rd Edition. Elsevier.
  Chicago
  Crawley, Frank, and Brian Tyler. HAZOP: Guide to Best Practice, 3rd Edition. : Elsevier, 2015.