Cita APA (7a ed.)

Richards, H., Burt, A., & Lewis, P. Junior english 4 (Revised edition.).

Cita Chicago Style (17a ed.)

Richards, Haydn, Angela Burt, y Patricia Lewis. Junior English 4. Revised edition.

Cita MLA (8a ed.)

Richards, Haydn, et al. Junior English 4. Revised edition.