APA (7th ed.) Zitazioa

Shashkin, Y. A. (1991). Fixed points. American Mathematical Society.

Chicago Style (17th ed.) Zitazioa

Shashkin, Yu. A. Fixed Points. Providence: American Mathematical Society, 1991.

MLA (9th ed.) Zitazioa

Shashkin, Yu. A. Fixed Points. American Mathematical Society, 1991.