Cita APA (7a ed.)

Hartley, S. (2012). Peak performance every time. Routledge.

Cita Chicago Style (17a ed.)

Hartley, Simon. Peak Performance Every Time. London ; New York: Routledge, 2012.

Cita MLA (8a ed.)

Hartley, Simon. Peak Performance Every Time. Routledge, 2012.