APA (7th ed.) Citation

Φωκάς, Α. Σ. (2008). A unified approach to boundary value problems. Siam.

Chicago Style (17th ed.) Citation

Φωκάς, Αθανάσσιος Σ. A Unified Approach to Boundary Value Problems. Philadelphia: Siam, 2008.

MLA (8th ed.) Citation

Φωκάς, Αθανάσσιος Σ. A Unified Approach to Boundary Value Problems. Siam, 2008.