Cita APA (7a ed.)

Posner, S., & Webb, S. (1916). Poland as an independent economic unit. George Allen & Unwin Ltd. : for the Polish Information Committee.

Cita Chicago Style (17a ed.)

Posner, Stanisław, y Sidney Webb. Poland as an Independent Economic Unit. London: George Allen & Unwin Ltd. : for the Polish Information Committee, 1916.

Cita MLA (9a ed.)

Posner, Stanisław, y Sidney Webb. Poland as an Independent Economic Unit. George Allen & Unwin Ltd. : for the Polish Information Committee, 1916.