Cita APA (7a ed.)

Ward, A. C. (1941). Thoe raw materials: An introduction to the study of raw materials. G. Allen and Unwin.

Cita Chicago Style (17a ed.)

Ward, A. C. Thoe Raw Materials: An Introduction to the Study of Raw Materials. London: G. Allen and Unwin, 1941.

Cita MLA (8a ed.)

Ward, A. C. Thoe Raw Materials: An Introduction to the Study of Raw Materials. G. Allen and Unwin, 1941.