@book{113203,
	author = {Le Bon, Gustave, and Wildner, Ödön,},
	title = {Múlt és jövő},
	publisher = {Project Gutenberg,},
	year = {2023},
	series = {Kultura és tudomány},
	address = {Salt Lake City, UT :},
	note = {Release date is 2023-12-22},
	url = {https://www.gutenberg.org/ebooks/72478}
}