Cita APA (7a ed.)

Collett, H., Winearls, N., & Holmes, P. J. (2018). Ken & Verstaan - Geografie (First published 2013, reprinted 2018.). Cambridge University Press & Assessment.

Cita Chicago Style (17a ed.)

Collett, Helen, Norma Winearls, y P. J. Holmes. Ken & Verstaan - Geografie. First published 2013, reprinted 2018. Cambridge New York Melbourne New Delhi Singapore Cape Town: Cambridge University Press & Assessment, 2018.

Cita MLA (9a ed.)

Collett, Helen, et al. Ken & Verstaan - Geografie. First published 2013, reprinted 2018. Cambridge University Press & Assessment, 2018.