APA (7th ed.) Citation

Welch, J., & Welch, S. (2005). Winning: Ganar. Grupo Zeta.

Chicago Style (17th ed.) Citation

Welch, Jack, and Suzy Welch. Winning: Ganar. Buenos Aires: Grupo Zeta, 2005.

MLA (9th ed.) Citation

Welch, Jack, and Suzy Welch. Winning: Ganar. Grupo Zeta, 2005.