Lyons, A. P. (1974). The question of race in anthropology: From the time of J. F. Blumenbach to that of Franz Boas, with particular reference to the period 1830 to 1890 (approx.).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lyons, Andrew P. The Question of Race in Anthropology: From the Time of J. F. Blumenbach to That of Franz Boas, with Particular Reference to the Period 1830 to 1890 (approx.). 1974.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Lyons, Andrew P. The Question of Race in Anthropology: From the Time of J. F. Blumenbach to That of Franz Boas, with Particular Reference to the Period 1830 to 1890 (approx.). 1974.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.