Richardson, J. (1970). Narrative of a mission to central Africa performed in the years 1850-51 under the orders and at the expense of Her Majesty's Government. F. Cass.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Richardson, James. Narrative of a Mission to Central Africa Performed in the Years 1850-51 Under the Orders and at the Expense of Her Majesty's Government. [London]: F. Cass, 1970.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Richardson, James. Narrative of a Mission to Central Africa Performed in the Years 1850-51 Under the Orders and at the Expense of Her Majesty's Government. F. Cass, 1970.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.