Cita APA (7a ed.)

Pilbeam, A., Ellis, M., & O'Driscoll, N. (1982). The economist: An english language guide. The Economist Newspaper.

Cita Chicago Style (17a ed.)

Pilbeam, Adrian, Mark Ellis, y Nina O'Driscoll. The Economist: An English Language Guide. London: The Economist Newspaper, 1982.

Cita MLA (9a ed.)

Pilbeam, Adrian, et al. The Economist: An English Language Guide. The Economist Newspaper, 1982.