Cita APA (7a ed.)

Salter, W. E. G. (1960). Productivity and technical change. at the University Press.

Cita Chicago Style (17a ed.)

Salter, Wilfred Edward Graham. Productivity and Technical Change. Cambridge: at the University Press, 1960.

Cita MLA (9a ed.)

Salter, Wilfred Edward Graham. Productivity and Technical Change. at the University Press, 1960.