APA aipamena

Tolkien, J. R. R., & Tolkien, B. (1999). Letters from Father Christmas (Rev. ed.). HarperCollins.

Chicago Style aipamena

Tolkien, J. R. R., and Baillie Tolkien. Letters from Father Christmas. Rev. ed. London: HarperCollins, 1999.

MLA aipamena

Tolkien, J. R. R., and Baillie Tolkien. Letters from Father Christmas. Rev. ed. HarperCollins, 1999.