Citazione Stile APA (7a Edizione)

Spielvogel, J. J., & McTighe, J. (2014). World history & geography ([National edition].). McGraw-Hill Education.

Citazione stile Chigago Style (17a edizione)

Spielvogel, Jackson J., e Jay McTighe. World History & Geography. [National edition]. Bothell, WA Chicago, IL Columbus, OH New York, NY: McGraw-Hill Education, 2014.

Citatione MLA (9a ed.)

Spielvogel, Jackson J., e Jay McTighe. World History & Geography. [National edition]. McGraw-Hill Education, 2014.