Cita APA (7a ed.)

Burchell, J., & Gould, M. (2020). Cambridge Lower Secondary English Stage 7: Student's Book (1st.). Collins.

Cita Chicago Style (17a ed.)

Burchell, Julia, y Mike Gould. Cambridge Lower Secondary English Stage 7: Student's Book. 1st. UK: Collins, 2020.

Cita MLA (9a ed.)

Burchell, Julia, y Mike Gould. Cambridge Lower Secondary English Stage 7: Student's Book. 1st. Collins, 2020.