Citazione Stile APA (7a Edizione)

Boehm, R. G., Clayton, G. E., & Khan, N. M. (2023). Colorado social studies. McGraw-Hill Education.

Citazione stile Chigago Style (17a edizione)

Boehm, Richard G., Gary E. Clayton, e Nafees M. Khan. Colorado Social Studies. Columbus, OH: McGraw-Hill Education, 2023.

Citatione MLA (9a ed.)

Boehm, Richard G., et al. Colorado Social Studies. McGraw-Hill Education, 2023.