APA (7th ed.) Citation

Alexander William. (1972). Metals in the Service of Man (50th ed.). Penguin Books Ltd.

Chicago Style (17th ed.) Citation

Alexander William. Metals in the Service of Man. 50th ed. England: Penguin Books Ltd, 1972.

MLA (9th ed.) Citation

Alexander William. Metals in the Service of Man. 50th ed. Penguin Books Ltd, 1972.

Warning: These citations may not always be 100% accurate.