Cita APA (7a ed.)

Engquist, B., & Schmid, W. (2001). Mathematics unlimited: 2001 and beyond (Collector's ed.). Springer.

Cita Chicago Style (17a ed.)

Engquist, Björn, y Wilfried Schmid. Mathematics Unlimited: 2001 and Beyond. Collector's ed. New York: Springer, 2001.

Cita MLA (9a ed.)

Engquist, Björn, y Wilfried Schmid. Mathematics Unlimited: 2001 and Beyond. Collector's ed. Springer, 2001.