Cita APA (7a ed.)

Avery, G., & Cameron, F. (1998). The enlargement of the European Union. Sheffield Academic Press.

Cita Chicago Style (17a ed.)

Avery, G., y Fraser Cameron. The Enlargement of the European Union. Sheffield: Sheffield Academic Press, 1998.

Cita MLA (9a ed.)

Avery, G., y Fraser Cameron. The Enlargement of the European Union. Sheffield Academic Press, 1998.