APA (7th ed.) Citation

Thom, M., & Armstrong, E. (2016). Geography for CCEA AS Level (AS Level, 2nd edition.). Colourpoint Educational.

Chicago Style (17th ed.) Citation

Thom, Martin, and Eileen Armstrong. Geography for CCEA AS Level. AS Level, 2nd edition. Newtownards, County Down, Northern Ireland: Colourpoint Educational, 2016.

MLA (9th ed.) Citation

Thom, Martin, and Eileen Armstrong. Geography for CCEA AS Level. AS Level, 2nd edition. Colourpoint Educational, 2016.