Cita APA (7a ed.)

Spielvogel, J. J. (2014). Discovering our past: A history of the world ([Middle school].). McGraw-Hill Eduaction.

Cita Chicago Style (17a ed.)

Spielvogel, Jackson J. Discovering Our Past: A History of the World. [Middle school]. Bothell, WA Chicago, IL Columbus, OH New York, NY: McGraw-Hill Eduaction, 2014.

Cita MLA (9a ed.)

Spielvogel, Jackson J. Discovering Our Past: A History of the World. [Middle school]. McGraw-Hill Eduaction, 2014.