Howe, J., Tolkien, C., Tolkien, J. R. R., & Sibley, B. (1999). The map of Tolkien's Beleriand and the lands to the north. HarperCollins.
Chicago Style (17th ed.) CitationHowe, John, Christopher Tolkien, J. R. R. Tolkien, and Brian Sibley. The Map of Tolkien's Beleriand and the Lands to the North. London: HarperCollins, 1999.
MLA (8th ed.) CitationHowe, John, et al. The Map of Tolkien's Beleriand and the Lands to the North. HarperCollins, 1999.
Warning: These citations may not always be 100% accurate.