APA (7th ed.) Citation

Gilbert, W. (1952). On the loadstone and magnetic bodies. Encyclopaedia Britannica Inc.

Chicago Style (17th ed.) Citation

Gilbert, William. On the Loadstone and Magnetic Bodies. Chicago: Encyclopaedia Britannica Inc, 1952.

MLA (9th ed.) Citation

Gilbert, William. On the Loadstone and Magnetic Bodies. Encyclopaedia Britannica Inc, 1952.

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