Hopkins, C. T. (1869). Common sense applied to the immigrant question: Showing why the "California immigrant union" was founded and what it expects to do. Turnbull & Smith, Printers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hopkins, Caspar T. Common Sense Applied to the Immigrant Question: Showing Why the "California Immigrant Union" Was Founded and What It Expects to Do. San Francisco: Turnbull & Smith, Printers, 1869.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Hopkins, Caspar T. Common Sense Applied to the Immigrant Question: Showing Why the "California Immigrant Union" Was Founded and What It Expects to Do. Turnbull & Smith, Printers, 1869.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.