Cita APA (7th ed.)

Kellerer, H., Pferschy, U., & Pisinger, D. (2010). Knapsack problems. Springer.

Cita Chicago (17th ed.)

Kellerer, Hans, Ulrich Pferschy, i D. Pisinger. Knapsack Problems. Berlin ; New York: Springer, 2010.

Cita MLA (8th ed.)

Kellerer, Hans, et al. Knapsack Problems. Springer, 2010.