Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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