@book{2021,
	author = {Arkin, Herbert, and Colton, Raymond Roosevelt,},
	title = {Statistical methods},
	publisher = {Barnes & Noble},
	year = {1938},
	series = {College outline series,},
	address = {New York,},
	edition = {3rd ed.,},
	note = {Published also under title: An outline of statistical methods.}
}