Cita APA (7a ed.)

Hopkins, M. (1985). European Communities information: Its use and users. Mansell.

Cita Chicago Style (17a ed.)

Hopkins, Michael. European Communities Information: Its Use and Users. London [etc.]: Mansell, 1985.

Cita MLA (9a ed.)

Hopkins, Michael. European Communities Information: Its Use and Users. Mansell, 1985.