book{gurdjieff2006beelzebub,
title={Beelzebub's Tales to His Grandson: An Objectively Impartial Criticism of the Life o\
f Man},
author={Gurdjieff, G.I.},
isbn={9781585424573},
lccn={2005052920},
series={All and everything},
url={https://books.google.co.cr/books?id=YbkQAQAAIAAJ},
year={2006},
publisher={Jeremy P. Tarcher/Penguin}
}