Walker, S. (2010). On the edge of survival: A shipwreck, a raging storm, and the harrowing Alaskan rescue that became a legend. St. Martin's Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Walker, Spike. On the Edge of Survival: A Shipwreck, a Raging Storm, and the Harrowing Alaskan Rescue That Became a Legend. New York: St. Martin's Press, 2010.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Walker, Spike. On the Edge of Survival: A Shipwreck, a Raging Storm, and the Harrowing Alaskan Rescue That Became a Legend. St. Martin's Press, 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.