Cita APA (7a ed.)

Martin, D. (1991). Europe: : an ever closer union (1st published in Great Britain.). Spokesman for European Labour Forum.

Cita Chicago Style (17a ed.)

Martin, David. Europe: : An Ever Closer Union. 1st published in Great Britain. Nottingham: Spokesman for European Labour Forum, 1991.

Cita MLA (9a ed.)

Martin, David. Europe: : An Ever Closer Union. 1st published in Great Britain. Spokesman for European Labour Forum, 1991.