Hoernlé, R. F. A., & MacCrone, I. D. (1945). Race and reason: Being mainly a selection of contributions to the race problem in South Africa / by the late R. F. Alfred Hoernlé. Ed. with a memoir by I. D. MacCrone. Witwatersrand Univ. Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Hoernlé, Reinhold Frederick Alfred, και I. D. MacCrone. Race and Reason: Being Mainly a Selection of Contributions to the Race Problem in South Africa / by the Late R. F. Alfred Hoernlé. Ed. with a Memoir by I. D. MacCrone. Johannesburg: Witwatersrand Univ. Press, 1945.
Παραπομπή σε μορφή MLA (8th εκδ.)Hoernlé, Reinhold Frederick Alfred, και I. D. MacCrone. Race and Reason: Being Mainly a Selection of Contributions to the Race Problem in South Africa / by the Late R. F. Alfred Hoernlé. Ed. with a Memoir by I. D. MacCrone. Witwatersrand Univ. Press, 1945.