Whiting, J. S. (1951). Forts of the State of Washington: A record of military and semi-military establishments designated as forts, from May 29, 1792 to November 15, 1951 (2d ed.). Kelly.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Whiting, J. S. Forts of the State of Washington: A Record of Military and Semi-military Establishments Designated as Forts, from May 29, 1792 to November 15, 1951. 2d ed. Seattle: Kelly, 1951.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Whiting, J. S. Forts of the State of Washington: A Record of Military and Semi-military Establishments Designated as Forts, from May 29, 1792 to November 15, 1951. 2d ed. Kelly, 1951.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.