Cita APA (7a ed.)

Irwin, D. (1994). The political economy of free trade, voting in the british general election of 1906.

Cita Chicago Style (17a ed.)

Irwin, Douglas. The Political Economy of Free Trade, Voting in the British General Election of 1906. 1994.

Cita MLA (9a ed.)

Irwin, Douglas. The Political Economy of Free Trade, Voting in the British General Election of 1906. 1994.