Não informado. (1930). Annals of Mathematical Statistics. Institute of Mathematical Statistics.
Cita Chicago Style (17a ed.)Não informado. Annals of Mathematical Statistics. Ann Arbor, Mich: Institute of Mathematical Statistics, 1930.
Cita MLA (8a ed.)Não informado. Annals of Mathematical Statistics. Institute of Mathematical Statistics, 1930.
Precaución: Estas citas no son 100% exactas.