APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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