APA (7th ed.) Citation

McCullough, C., & Laks, D. (2011). On, off (1a ed.). Zeta.

Chicago Style (17th ed.) Citation

McCullough, Colleen, and Daniel Laks. On, off. 1a ed. Barcelona: Zeta, 2011.

MLA (9th ed.) Citation

McCullough, Colleen, and Daniel Laks. On, off. 1a ed. Zeta, 2011.