APA (7th ed.) Citation

Iyer, P. (2013).  Secret of leadership: Stories to awaken, inspire and unleash the leader within. Portfolo Penguin.

Chicago Style (17th ed.) Citation

Iyer, Prakash.  Secret of Leadership: Stories to Awaken, Inspire and Unleash the Leader Within. USA: Portfolo Penguin, 2013.

MLA (9th ed.) Citation

Iyer, Prakash.  Secret of Leadership: Stories to Awaken, Inspire and Unleash the Leader Within. Portfolo Penguin, 2013.

Warning: These citations may not always be 100% accurate.