APA (7th ed.) Citation

Σφήκας, Γ. (1990). Fish of Greece. Efstathiadis.

Chicago Style (17th ed.) Citation

Σφήκας, Γεώργιος. Fish of Greece. Athens: Efstathiadis, 1990.

MLA (8th ed.) Citation

Σφήκας, Γεώργιος. Fish of Greece. Efstathiadis, 1990.