Helmberg, G. (2007). Getting acquainted with fractals. Walter de Gruyter.
Cita Chicago Style (17a ed.)Helmberg, Gilbert. Getting Acquainted with Fractals. Berlin ; New York: Walter de Gruyter, 2007.
Cita MLA (9a ed.)Helmberg, Gilbert. Getting Acquainted with Fractals. Walter de Gruyter, 2007.
Precaución: Estas citas no son 100% exactas.