@book{81665,
	author = {McDougall, William,},
	title = {The Group Mind: A Sketch of the Principles of Collective Psychology :},
	publisher = {Project Gutenberg,},
	year = {2012},
	address = {Salt Lake City, UT :},
	note = {Release date is 2012-09-22},
	url = {https://www.gutenberg.org/ebooks/40826}
}