توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Lesley, J. P. (1874). A collection of occasional surveys of iron, coal and oil districts in the United States: Made during the last ten years. McCalla & Stavely.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Lesley, J. P. A Collection of Occasional Surveys of Iron, Coal and Oil Districts in the United States: Made During the Last Ten Years. Philadelphia: McCalla & Stavely, 1874.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Lesley, J. P. A Collection of Occasional Surveys of Iron, Coal and Oil Districts in the United States: Made During the Last Ten Years. McCalla & Stavely, 1874.