APA Format
Heller, Robert . (). Managing change : Implementing, experimenting, solutions, planning, initiating, involving, risks, understanding, consulting, monitoring, adapting. :
MLA Format
Heller, Robert . Managing change : Implementing, experimenting, solutions, planning, initiating, involving, risks, understanding, consulting, monitoring, adapting. : ,
Australian/Harvard Format
Heller, Robert . . Managing change : Implementing, experimenting, solutions, planning, initiating, involving, risks, understanding, consulting, monitoring, adapting. , 
Warning: These citations may not always be 100% accurate.