Soennichsen, J. R. (2012). Washington's Channeled Scablands guide: Explore and recreate along the Ice Age Floods National Geologic Trail. Mountaineers Books.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Soennichsen, John Robert. Washington's Channeled Scablands Guide: Explore and Recreate Along the Ice Age Floods National Geologic Trail. Seattle: Mountaineers Books, 2012.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Soennichsen, John Robert. Washington's Channeled Scablands Guide: Explore and Recreate Along the Ice Age Floods National Geologic Trail. Mountaineers Books, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.