APA (7th ed.) Citation

Sampson, D., Du Preez, A., & O'Callaghan, B. (2007). Understanding history in context (Revised curriculum.). Longman Namibia.

Chicago Style (17th ed.) Citation

Sampson, David, Andrea Du Preez, and Bryn O'Callaghan. Understanding History in Context. Revised curriculum. Windhoek: Longman Namibia, 2007.

MLA (9th ed.) Citation

Sampson, David, et al. Understanding History in Context. Revised curriculum. Longman Namibia, 2007.