Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Pardalos, P. M., Rassias, T. M., & Khan, A. A. (2010). Nonlinear Analysis and Variational Problems: In Honor of George Isac. Springer New York.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Panos M. Pardalos, Themistocles M. Rassias, και Akhtar A. Khan. Nonlinear Analysis and Variational Problems: In Honor of George Isac. New York, NY: Springer New York, 2010.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Nonlinear Analysis and Variational Problems: In Honor of George Isac. Springer New York, 2010.