APA (7th ed.) Citation

Walton, M., & Mars, R. (2007). Probing human and monkey anterior cingulate cortex in variable environments.

Chicago Style (17th ed.) Citation

Walton, M., and R. Mars. Probing Human and Monkey Anterior Cingulate Cortex in Variable Environments. 2007.

MLA (9th ed.) Citation

Walton, M., and R. Mars. Probing Human and Monkey Anterior Cingulate Cortex in Variable Environments. 2007.

Warning: These citations may not always be 100% accurate.