Gaya APA

Muir, J., Branch, M, P. (2001). John Munir's last Journey : south to the amazon and east to Africa / John Muir . Washington: Island Press.

Gaya MLA

Muir, John., Branch, Michael, P.. "John Munir's last Journey : south to the amazon and east to Africa / John Muir". Washington: Island Press, 2001. Buku.