Citazione Stile APA (7a Edizione)

TOLKIEN, J. (2001). THE TWO TOWERS (1st.). HARPER COLLINS PUBLISHERS.

Citazione stile Chigago Style (17a edizione)

TOLKIEN, J.R.R. THE TWO TOWERS. 1st. LONDON: HARPER COLLINS PUBLISHERS, 2001.

Citatione MLA (9a ed.)

TOLKIEN, J.R.R. THE TWO TOWERS. 1st. HARPER COLLINS PUBLISHERS, 2001.