Não informado. (1975). Houston Journal of Mathematics. University of Houston, Department of Mathematics.
Cita Chicago Style (17a ed.)Não informado. Houston Journal of Mathematics. Houston, Tex: University of Houston, Department of Mathematics, 1975.
Cita MLA (8a ed.)Não informado. Houston Journal of Mathematics. University of Houston, Department of Mathematics, 1975.
Precaución: Estas citas no son 100% exactas.