APA Edition Citation

Aigner, M., & Ziegler, G. M. (2009). Proofs from the book (23.).

Chicago Edition Citation

Aigner, Martin, and Gunter M. Ziegler. Proofs from the Book. 23. Springer (India) Private Ltd., New Delhi, 2009.

MLA Edition Citation

Aigner, Martin, and Gunter M. Ziegler. Proofs from the Book. 23. 2009.

Warning: These citations may not always be 100% accurate.