APA (7th ed.) Citation

Krogerus, M., Tschappeler, R., Hiltbrand, C., Schmid, C., & Piening, J. (2014). The test book : 64 tools to lead you to success / Mikael Krogerus, Roman Tschappeler ; assistance, Cedric Hiltbrand ; with illustrations by Carla Scmid ; translated by Jenny Piening: 64 tools to lead you to success. Profile Books.

Chicago Style (17th ed.) Citation

Krogerus, Mikael, Roman Tschappeler, Cedric Hiltbrand, Carla Schmid, and Jenny Piening. The Test Book : 64 Tools to Lead You to Success / Mikael Krogerus, Roman Tschappeler ; Assistance, Cedric Hiltbrand ; with Illustrations by Carla Scmid ; Translated by Jenny Piening: 64 Tools to Lead You to Success. London: Profile Books, 2014.

MLA (9th ed.) Citation

Krogerus, Mikael, et al. The Test Book : 64 Tools to Lead You to Success / Mikael Krogerus, Roman Tschappeler ; Assistance, Cedric Hiltbrand ; with Illustrations by Carla Scmid ; Translated by Jenny Piening: 64 Tools to Lead You to Success. Profile Books, 2014.

Warning: These citations may not always be 100% accurate.