Cita APA (7a ed.)

Lewis, G. (1999). Successful creativity in a week. Hodder & Stoughton.

Cita Chicago Style (17a ed.)

Lewis, Gareth. Successful Creativity in a Week. London: Hodder & Stoughton, 1999.

Cita MLA (8a ed.)

Lewis, Gareth. Successful Creativity in a Week. Hodder & Stoughton, 1999.