HALLIGAN, B. AND SHAH, D..
Inbound Marketing, Revised And Updated: Attract, Engage, And Delight Customers Online.
In-text: ((Halligan,2014))
Your Bibliography: Halligan, B. and Shah, D., 2014. Inbound Marketing, Revised and Updated: Attract, Engage, and Delight Customers Online. John Wiley & Sons.