Cita APA

Pen, J. (1971). Income Distribution. London: Allen Lane the Penbuin Press.

Chicago Style Citation

Pen, Jan. Income Distribution. London: Allen Lane the Penbuin Press, 1971.

Cita MLA

Pen, Jan. Income Distribution. London: Allen Lane the Penbuin Press, 1971.

Atenció: Aquestes cites poden no estar 100% correctes.