APA (7th ed.) Zitazioa

Dickerson, M. T., & Evans, J. D. (2006). Ents, elves, and Eriador: The environmental vision of J.R.R. Tolkien. University Press of Kentucky.

Chicago Style (17th ed.) Zitazioa

Dickerson, Matthew T., eta Jonathan D. Evans. Ents, Elves, and Eriador: The Environmental Vision of J.R.R. Tolkien. Lexington, Ky.: University Press of Kentucky, 2006.

MLA (9th ed.) Zitazioa

Dickerson, Matthew T., eta Jonathan D. Evans. Ents, Elves, and Eriador: The Environmental Vision of J.R.R. Tolkien. University Press of Kentucky, 2006.