APA Citation

Wujec, T. (1991). Gimnasia mental. Barcelona: Martínez Roca.

Chicago Style Citation

Wujec, Tom. Gimnasia Mental. Barcelona: Martínez Roca, 1991.

MLA Citation

Wujec, Tom. Gimnasia Mental. Barcelona: Martínez Roca, 1991.

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