Cita APA (7a ed.)

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.