Shields, G. O. (1889). Cruisings in the Cascades: A narrative of travel, exploration, amateur photography, hunting, and fishing, with special chapters on hunting the grizzly bear, the buffalo, elk .. Rand, McNally & Company.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Shields, G. O. Cruisings in the Cascades: A Narrative of Travel, Exploration, Amateur Photography, Hunting, and Fishing, with Special Chapters on Hunting the Grizzly Bear, the Buffalo, Elk .. Chicago, New York: Rand, McNally & Company, 1889.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Shields, G. O. Cruisings in the Cascades: A Narrative of Travel, Exploration, Amateur Photography, Hunting, and Fishing, with Special Chapters on Hunting the Grizzly Bear, the Buffalo, Elk .. Rand, McNally & Company, 1889.
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