Cita APA (7a ed.)

University of London. School of Economics and Political Science. (1921). Economica. Blackwell.

Cita Chicago Style (17a ed.)

University of London. School of Economics and Political Science. Economica. Oxford: Blackwell, 1921.

Cita MLA (9a ed.)

University of London. School of Economics and Political Science. Economica. Blackwell, 1921.