Cita APA (7th ed.)

Kain, J. F. (1971). Essays in regional economics. Harvard University Press.

Cita Chicago (17th ed.)

Kain, John F. Essays in Regional Economics. Cambridge, Mass: Harvard University Press, 1971.

Cita MLA (9th ed.)

Kain, John F. Essays in Regional Economics. Harvard University Press, 1971.