Higgins, M. J. (1941). International Relations at the Close of the Sixth Century. The catholic historical review, 27(3), 279-315.
Cita Chicago Style (17a ed.)Higgins, Martin J. "International Relations at the Close of the Sixth Century." The Catholic Historical Review 27, no. 3 (1941): 279-315.
Cita MLA (9a ed.)Higgins, Martin J. "International Relations at the Close of the Sixth Century." The Catholic Historical Review, vol. 27, no. 3, 1941, pp. 279-315.
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