Citazione Stile APA (7a Edizione)

Gilbert, W., Galilei, G., & Harvey, W. (1994). On the loadstone and magnetic bodies (2nd ed., 5th printing.). Encyclopaedia Britannica.

Citazione stile Chigago Style (17a edizione)

Gilbert, William, Galileo Galilei, e William Harvey. On the Loadstone and Magnetic Bodies. 2nd ed., 5th printing. Chicago [etc.]: Encyclopaedia Britannica, 1994.

Citatione MLA (9a ed.)

Gilbert, William, et al. On the Loadstone and Magnetic Bodies. 2nd ed., 5th printing. Encyclopaedia Britannica, 1994.