Cita APA (7a ed.)

Ely, A., & Colonnese, E. (1972). A New approach to english: Intermediate course (2.ed.). Ática Impres.

Cita Chicago Style (17a ed.)

Ely, Alexandre, y Eugênio Colonnese. A New Approach to English: Intermediate Course. 2.ed. São Paulo, SP: Ática Impres, 1972.

Cita MLA (9a ed.)

Ely, Alexandre, y Eugênio Colonnese. A New Approach to English: Intermediate Course. 2.ed. Ática Impres, 1972.