Cita APA (7a ed.)

Taylor, J., Herrero, M. C., & Luna, M. (2001). Impact: Student's book. MacMillan Education LTD.

Cita Chicago Style (17a ed.)

Taylor, James, Maria Cristina Herrero, y Manuel Luna. Impact: Student's Book. São Paulo, SP: MacMillan Education LTD, 2001.

Cita MLA (9a ed.)

Taylor, James, et al. Impact: Student's Book. MacMillan Education LTD, 2001.