APA (7 ম সংস্করণ) উদ্ধৃতি

Walls, L. D. (1995). Seeing new worlds: Henry David Thoreau and nineteenth-century natural science. University of Wisconsin Press.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Walls, Laura Dassow. Seeing New Worlds: Henry David Thoreau and Nineteenth-century Natural Science. Madison WI: University of Wisconsin Press, 1995.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Walls, Laura Dassow. Seeing New Worlds: Henry David Thoreau and Nineteenth-century Natural Science. University of Wisconsin Press, 1995.