Strahorn, R. E. (1881). To the Rockies and beyond, or, A summer on the Union Pacific railroad and branches: Saunterings in the popular health, pleasure, and hunting resorts of Nebraska, Dakota, Wyoming, Colorado, Utah, Idaho, Oregon, Washington and Montana ... (3d ed., rev. and enl.). Belford, Clarke.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Strahorn, Robert E. To the Rockies and Beyond, or, A Summer on the Union Pacific Railroad and Branches: Saunterings in the Popular Health, Pleasure, and Hunting Resorts of Nebraska, Dakota, Wyoming, Colorado, Utah, Idaho, Oregon, Washington and Montana ... 3d ed., rev. and enl. Chicago: Belford, Clarke, 1881.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Strahorn, Robert E. To the Rockies and Beyond, or, A Summer on the Union Pacific Railroad and Branches: Saunterings in the Popular Health, Pleasure, and Hunting Resorts of Nebraska, Dakota, Wyoming, Colorado, Utah, Idaho, Oregon, Washington and Montana ... 3d ed., rev. and enl. Belford, Clarke, 1881.