Cita APA (7a ed.)

Coles, J., Parkinson, A., Payne, J., Ross, S., & Rogers, D. (2020). Geography A: Geographical themes (OCR GCSE (9-1), second edition.). Hodder Education.

Cita Chicago Style (17a ed.)

Coles, Jo, Alan Parkinson, Jo Payne, Simon Ross, y David Rogers. Geography A: Geographical Themes. OCR GCSE (9-1), second edition. London: Hodder Education, 2020.

Cita MLA (9a ed.)

Coles, Jo, et al. Geography A: Geographical Themes. OCR GCSE (9-1), second edition. Hodder Education, 2020.