Cita APA (7a ed.)

Nunes, T., Bryant, P., Hallett, D., Bell, D., & Evans, D. (2009). Teaching Children About the Inverse Relation Between Addition and Subtraction.

Cita Chicago Style (17a ed.)

Nunes, T., P. Bryant, D. Hallett, D. Bell, y D. Evans. Teaching Children About the Inverse Relation Between Addition and Subtraction. 2009.

Cita MLA (9a ed.)

Nunes, T., et al. Teaching Children About the Inverse Relation Between Addition and Subtraction. 2009.