APA

Salter W. E. G., Reddaway W. B., . (1969). Productivity and technical change. With an addendum by W. B. Reddaway. Cambrigde: University Press.

Chicago

Salter W E G, Reddaway W B, . 1969. Productivity and technical change. With an addendum by W. B. Reddaway. Cambrigde: University Press.

Harvard

Salter W. E. G., Reddaway W. B., . (1969). Productivity and technical change. With an addendum by W. B. Reddaway. Cambrigde: University Press.

MLA

Salter W E G, Reddaway W B, . Productivity and technical change. With an addendum by W. B. Reddaway. Cambrigde: University Press. 1969.