APA (7e ed.) Bronvermelding

Howe, J., Tolkien, C., Tolkien, J. R. R., & Sibley, B. (1994). The map of Tolkien's Middle-Earth. HarperCollins.

Chicago (17e ed.) Bronvermelding

Howe, John, Christopher Tolkien, J. R. R. Tolkien, en Brian Sibley. The Map of Tolkien's Middle-Earth. London: HarperCollins, 1994.

MLA (8e ed.) Bronvermelding

Howe, John, et al. The Map of Tolkien's Middle-Earth. HarperCollins, 1994.