APA (7th ed.) Citation

Humphrey. (2012). Speaking as a leader: How to lead every time you speak. John Wiley & Sons Canada.

Chicago Style (17th ed.) Citation

Humphrey. Speaking as a Leader: How to Lead Every Time You Speak. Ontario, Canada: John Wiley & Sons Canada, 2012.

MLA (8th ed.) Citation

Humphrey. Speaking as a Leader: How to Lead Every Time You Speak. John Wiley & Sons Canada, 2012.