Não informado. (1969). Journal of Undergraduate Mathematics. Guilford College, Department of Mathematics.
Cita Chicago Style (17a ed.)Não informado. Journal of Undergraduate Mathematics. Greensboro, NC: Guilford College, Department of Mathematics, 1969.
Cita MLA (8a ed.)Não informado. Journal of Undergraduate Mathematics. Guilford College, Department of Mathematics, 1969.
Precaución: Estas citas no son 100% exactas.