APA (7th ed.) Citation

Marques, A., Cançado, I. B., & Guizzo, J. (1992). A New time for english: Book 2 (6.ed.). Ática W. Roth.

Chicago Style (17th ed.) Citation

Marques, Amadeu, Isvaldo Braz Cançado, and João Guizzo. A New Time for English: Book 2. 6.ed. São Paulo, SP: Ática W. Roth, 1992.

MLA (9th ed.) Citation

Marques, Amadeu, et al. A New Time for English: Book 2. 6.ed. Ática W. Roth, 1992.