@book{100601,
	author = {Darlington, W. A.},
	title = {Alf's Button},
	publisher = {Project Gutenberg,},
	year = {2019},
	address = {Salt Lake City, UT :},
	note = {Wikipedia page about this book: https://en.wikipedia.org/wiki/Alf%27s_Button_(novel)},
	url = {https://www.gutenberg.org/ebooks/59775}
}