Wilbur, M. K. (1951). Immortal pirate: The life of Sir Francis Drake. Hastings House.
Chicagoスタイル(17版)引用形式Wilbur, Marguerite Knowlton. Immortal Pirate: The Life of Sir Francis Drake. New York: Hastings House, 1951.
MLA(9版)引用形式Wilbur, Marguerite Knowlton. Immortal Pirate: The Life of Sir Francis Drake. Hastings House, 1951.
警告: この引用は必ずしも正確ではありません.