APA (7th ed.) Citation

Hejl, E. (2018). UNESCO Geoparks in Austria. Verlag Dr. Friedrich Pfeil.

Chicago Style (17th ed.) Citation

Hejl, Ewald. UNESCO Geoparks in Austria. München: Verlag Dr. Friedrich Pfeil, 2018.

MLA (9th ed.) Citation

Hejl, Ewald. UNESCO Geoparks in Austria. Verlag Dr. Friedrich Pfeil, 2018.

Warning: These citations may not always be 100% accurate.