APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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