Cita APA (7a ed.)

Spafford, M., & Lyndon, D. (2016). OCR GCSE History SHP. Hodder Education Group.

Cita Chicago Style (17a ed.)

Spafford, Martin, y Dan Lyndon. OCR GCSE History SHP. London: Hodder Education Group, 2016.

Cita MLA (8a ed.)

Spafford, Martin, y Dan Lyndon. OCR GCSE History SHP. Hodder Education Group, 2016.