APA

Peitgen H., Springer, . (19911992). Fractals for the classroom. New York: Springer.

Chicago

Peitgen Heinz-Otto, Springer, . 19911992. Fractals for the classroom. New York: Springer.

Harvard

Peitgen H., Springer, . (19911992). Fractals for the classroom. New York: Springer.

MLA

Peitgen Heinz-Otto, Springer, . Fractals for the classroom. New York: Springer. 19911992.