توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Heckewelder, J. G. E. (1819). An account of the history, manners, and customs, of the Indian nations, who once inhabited Pennsylvania and the neighbouring states. A. Small.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Heckewelder, John Gottlieb Ernestus. An Account of the History, Manners, and Customs, of the Indian Nations, Who Once Inhabited Pennsylvania and the Neighbouring States. Philadelphia: A. Small, 1819.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Heckewelder, John Gottlieb Ernestus. An Account of the History, Manners, and Customs, of the Indian Nations, Who Once Inhabited Pennsylvania and the Neighbouring States. A. Small, 1819.