APA (7th ed.) Citation

Gregor, H., & Günther, T. (1997). Floras of Villafranchian age in Central Europe and the problem of the Plio-Pleistocene vegetation. Verl. Documenta Naturae.

Chicago Style (17th ed.) Citation

Gregor, Hans-Joachim, and Thomas Günther. Floras of Villafranchian Age in Central Europe and the Problem of the Plio-Pleistocene Vegetation. München: Verl. Documenta Naturae, 1997.

MLA (9th ed.) Citation

Gregor, Hans-Joachim, and Thomas Günther. Floras of Villafranchian Age in Central Europe and the Problem of the Plio-Pleistocene Vegetation. Verl. Documenta Naturae, 1997.