Cita APA (7a ed.)

Horowitz, B. (2014). Hard things about hard things: Building business when there are no easy answers. Harper Business.

Cita Chicago Style (17a ed.)

Horowitz, Ben. Hard Things About Hard Things: Building Business When There Are No Easy Answers. New York: Harper Business, 2014.

Cita MLA (9a ed.)

Horowitz, Ben. Hard Things About Hard Things: Building Business When There Are No Easy Answers. Harper Business, 2014.