Cita APA (7a ed.)

Warren, S., & Harcourt, M. (2012). Tomorrow's geography for Edexcel GCSE specification A (4. ed.). Hodder Education.

Cita Chicago Style (17a ed.)

Warren, Steph, y Mike Harcourt. Tomorrow's Geography for Edexcel GCSE Specification A. 4. ed. London: Hodder Education, 2012.

Cita MLA (9a ed.)

Warren, Steph, y Mike Harcourt. Tomorrow's Geography for Edexcel GCSE Specification A. 4. ed. Hodder Education, 2012.