APA (7th ed.) Citation

Marques, A., & Soeiro, R. (1988). Time for english: Book 1 (10.ed.). Ática W. Roth.

Chicago Style (17th ed.) Citation

Marques, Amadeu, and Roberto Soeiro. Time for English: Book 1. 10.ed. São Paulo, SP: Ática W. Roth, 1988.

MLA (9th ed.) Citation

Marques, Amadeu, and Roberto Soeiro. Time for English: Book 1. 10.ed. Ática W. Roth, 1988.