Citazione Stile APA (7a Edizione)

Johnston, S. T., & Johnston, N. (2011). History in close-up ([Northern Ireland], first edition, [revised curriculum].). Colourpoint Educational.

Citazione stile Chigago Style (17a edizione)

Johnston, Sheila Turner, e Norman Johnston. History in Close-up. [Northern Ireland], first edition, [revised curriculum]. Newtownards, County Down, Northern Ireland: Colourpoint Educational, 2011.

Citatione MLA (9a ed.)

Johnston, Sheila Turner, e Norman Johnston. History in Close-up. [Northern Ireland], first edition, [revised curriculum]. Colourpoint Educational, 2011.