@book{388405,
	author = {QUEEN, Ellery},
	title = {The tragedy of X},
	publisher = {Pocket},
	year = {1941},
	series = {Pocket Book},
	address = {New York},
	note = {Ellery Queen, pseudónimo de Daniel (David) Nathan (aliás Frederic Dannay) e de Manford (Emanuel) Lepofsky (aliás Manfred Bennington Lee).}
}