Citazione Stile APA (7a Edizione)

ebrary, Inc, & Rassias, J. M. (2010). Functional equations, difference inequalities, and Ulam stability notions (F.U.N.). Nova Science Publishers.

Citazione stile Chigago Style (17a edizione)

ebrary, Inc, e John Michael Rassias. Functional Equations, Difference Inequalities, and Ulam Stability Notions (F.U.N.). New York: Nova Science Publishers, 2010.

Citatione MLA (9a ed.)

ebrary, Inc, e John Michael Rassias. Functional Equations, Difference Inequalities, and Ulam Stability Notions (F.U.N.). Nova Science Publishers, 2010.