APA (7th ed.) Citation

Troster, J. I. (1979). A Practical way to english: Book three (8.ed.). Instituto Roosevelt Bentivegna.

Chicago Style (17th ed.) Citation

Troster, Joseph I. A Practical Way to English: Book Three. 8.ed. São Paulo, SP: Instituto Roosevelt Bentivegna, 1979.

MLA (9th ed.) Citation

Troster, Joseph I. A Practical Way to English: Book Three. 8.ed. Instituto Roosevelt Bentivegna, 1979.