Citazione Stile APA (7a Edizione)

Teachers' Curriculum Institute, Frey, W., Bower, B., Lobdell, J., & Alavosus, L. (2005). The medieval world and beyond ([Middle school program].). Teachers' Curriculum Inst., TCI.

Citazione stile Chigago Style (17a edizione)

Teachers' Curriculum Institute, Wendy Frey, Bert Bower, Jim Lobdell, e Laura Alavosus. The Medieval World and Beyond. [Middle school program]. Palo Alto, C[alif.]: Teachers' Curriculum Inst., TCI, 2005.

Citatione MLA (9a ed.)

Teachers' Curriculum Institute, et al. The Medieval World and Beyond. [Middle school program]. Teachers' Curriculum Inst., TCI, 2005.