APA-Zitierstil (7. Ausg.)

Nelsen, R. B. (2020). Proofs without words: Exercises in visual thinking (Reprinted. 2[. Druck 20]20.). Math. Assoc. of America.

Chicago-Zitierstil (17. Ausg.)

Nelsen, Roger B. Proofs Without Words: Exercises in Visual Thinking. Reprinted. 2[. Druck 20]20. Washington, DC: Math. Assoc. of America, 2020.

MLA-Zitierstil (9. Ausg.)

Nelsen, Roger B. Proofs Without Words: Exercises in Visual Thinking. Reprinted. 2[. Druck 20]20. Math. Assoc. of America, 2020.