Gaya APA

Zilko, D. (2016). Irrational persistence: Seven secret that turned a bankrupt startup in to a $231,000,000 business (1). Canada: John Wiley & Sons.

Gaya MLA

Zilko, Dave. "Irrational persistence: Seven secret that turned a bankrupt startup in to a $231,000,000 business". 1 Canada: John Wiley & Sons, 2016. Text.