APA Style

Halvorson, H, G, H, E, T. (2013). Focus: Use Different Ways of Seeing the World for success and Influence. . : Penguin Group.

MLA Style

Halvorson, Heidi, Grant:, Higgins,, E., Tory. "Focus: Use Different Ways of Seeing the World for success and Influence.". : Penguin Group, 2013. BOOK.