United States. Army. Corps of Engineers, Ludlow, W., Thompson, R. E., Grinnell, G. B., Dana, E. S., & Whitfield, R. P. (1876). Report of a reconnaissance from Carroll, Montana Territory: On the upper Missouri, to the Yellowstone national park, and return, made in the summer of 1875. Govt. Print. Off..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. Army. Corps of Engineers, William Ludlow, R. E. Thompson, George Bird Grinnell, Edward Salisbury Dana, و R. P. Whitfield. Report of a Reconnaissance from Carroll, Montana Territory: On the Upper Missouri, to the Yellowstone National Park, and Return, Made in the Summer of 1875. Washington: Govt. Print. Off., 1876.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United States. Army. Corps of Engineers, et al. Report of a Reconnaissance from Carroll, Montana Territory: On the Upper Missouri, to the Yellowstone National Park, and Return, Made in the Summer of 1875. Govt. Print. Off., 1876.