Cita APA (7a ed.)

Owen, A., Brooks, C., & Leeder, A. (2010). GCSE geography for WJEC A (1. publ., 1. impr.). Hodder Education.

Cita Chicago Style (17a ed.)

Owen, Andy, Cathie Brooks, y Andy Leeder. GCSE Geography for WJEC A. 1. publ., 1. impr. London: Hodder Education, 2010.

Cita MLA (9a ed.)

Owen, Andy, et al. GCSE Geography for WJEC A. 1. publ., 1. impr. Hodder Education, 2010.