APA citiranje

National Council of Teachers of Mathematics., & Peitgen, H. (1991). Fractals for the classroom. New York: Springer-Verlag.

Trích dẫn kiểu Chicago

National Council of Teachers of Mathematics., và Heinz-Otto Peitgen. Fractals for the Classroom. New York: Springer-Verlag, 1991.

MLA citiranje

National Council of Teachers of Mathematics., và Heinz-Otto Peitgen. Fractals for the Classroom. New York: Springer-Verlag, 1991.