Citazione Stile APA (7a Edizione)

Boehm, R. G., Hunkins, F. P., Armstrong, D. G., & Zike, D. (2010). Exploring our world ([Middle school program].). McGraw-Hill Glencoe.

Citazione stile Chigago Style (17a edizione)

Boehm, Richard G., Francis P. Hunkins, David G. Armstrong, e Dinah Zike. Exploring Our World. [Middle school program]. Columbus, Ohio: McGraw-Hill Glencoe, 2010.

Citatione MLA (9a ed.)

Boehm, Richard G., et al. Exploring Our World. [Middle school program]. McGraw-Hill Glencoe, 2010.