Cita APA

 Gray, C. F. (2006).  Project management: The managerial process.  McGraw-Hill.

Citación estilo Chicago

 Gray, Clifford F.  Project Management: The Managerial Process.  McGraw-Hill, 2006.

Cita MLA

 Gray, Clifford F.  Project Management: The Managerial Process.  McGraw-Hill, 2006.