Cita APA (7a ed.)

Wilson, D., & Steel, D. (1984). The secrets file: The case for freedom of information in Britain today. Heinemann.

Cita Chicago Style (17a ed.)

Wilson, Des, y David Steel. The Secrets File: The Case for Freedom of Information in Britain Today. London [u.a.]: Heinemann, 1984.

Cita MLA (9a ed.)

Wilson, Des, y David Steel. The Secrets File: The Case for Freedom of Information in Britain Today. Heinemann, 1984.