Citazione Stile APA (7a Edizione)

D'Angelo, J. P., & West, D. B. (1997). Mathematical thinking: Problem-solving and proofs. Prentice Hall.

Citazione stile Chigago Style (17a edizione)

D'Angelo, John P., e Douglas B. West. Mathematical Thinking: Problem-solving and Proofs. Upper Saddle River, N.J: Prentice Hall, 1997.

Citatione MLA (9a ed.)

D'Angelo, John P., e Douglas B. West. Mathematical Thinking: Problem-solving and Proofs. Prentice Hall, 1997.