APA

Cottrel A., . (1975). An Introduction to metallurgy. London: Edward Arnold publishers Ltd.

Chicago

Cottrel Alan, . 1975. An Introduction to metallurgy. London: Edward Arnold publishers Ltd.

Harvard

Cottrel A., . (1975). An Introduction to metallurgy. London: Edward Arnold publishers Ltd.

MLA

Cottrel Alan, . An Introduction to metallurgy. London: Edward Arnold publishers Ltd. 1975.