Cita APA (7a ed.)

Clandfield, L. (2012). Straightforward: Elementary student́s book (2a ed.). Macmillan.

Cita Chicago Style (17a ed.)

Clandfield, Lindsay. Straightforward: Elementary Student́s Book. 2a ed. Oxford: Macmillan, 2012.

Cita MLA (9a ed.)

Clandfield, Lindsay. Straightforward: Elementary Student́s Book. 2a ed. Macmillan, 2012.