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توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Cooper, J. (1968). The lost continent: Or, Slavery and the slave-trade in Africa 1875, with observations on the Asiatic slave-trade carried on under the name of labour traffic, and some other subjects (First edition.). Cass.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Cooper, Joseph. The Lost Continent: Or, Slavery and the Slave-trade in Africa 1875, with Observations on the Asiatic Slave-trade Carried on Under the Name of Labour Traffic, and Some Other Subjects. First edition. London: Cass, 1968.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Cooper, Joseph. The Lost Continent: Or, Slavery and the Slave-trade in Africa 1875, with Observations on the Asiatic Slave-trade Carried on Under the Name of Labour Traffic, and Some Other Subjects. First edition. Cass, 1968.