Cita APA (7a ed.)

Bermingham, S., & Digby, B. (2000). Changing environments (1. publ.). Heinemann.

Cita Chicago Style (17a ed.)

Bermingham, Susan, y Bob Digby. Changing Environments. 1. publ. Oxford [u.a.]: Heinemann, 2000.

Cita MLA (9a ed.)

Bermingham, Susan, y Bob Digby. Changing Environments. 1. publ. Heinemann, 2000.