Παραπομπή APA

Laubenbacher, R., & Pengelley, D. (1999). Mathematical expeditions: Chronicles by the explorers. Springer.

Παραπομπή Chicago Style

Laubenbacher, Reinhard, και David Pengelley. Mathematical Expeditions: Chronicles by the Explorers. New York: Springer, 1999.

Παραπομπή MLA

Laubenbacher, Reinhard, και David Pengelley. Mathematical Expeditions: Chronicles by the Explorers. Springer, 1999.