Howe, J., Tolkien, C., Tolkien, J. R. R., & Sibley, B. (1994). The map of Tolkien's Middle-Earth. HarperCollins.
Chicagoスタイル(17版)引用形式Howe, John, Christopher Tolkien, J. R. R. Tolkien, , Brian Sibley. The Map of Tolkien's Middle-Earth. London: HarperCollins, 1994.
MLA(8版)引用形式Howe, John, et al. The Map of Tolkien's Middle-Earth. HarperCollins, 1994.
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