APA Style

Halligan, B., Shah, D. (2014). Inbound marketing : attract, engage, and delight customers online (2nd). Hoboken, NJ: Wiley.

MLA Style

Halligan, Brian., Shah, Dharmesh. "Inbound marketing : attract, engage, and delight customers online". 2nd Hoboken, NJ: Wiley, 2014. .