APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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