Citazione APA

Zagwijn, W. H. (1960). Aspects of the Pliocene and early Pleistocene vegetation in the Netherlands. Utig.-Mij. "Ernest van Aelst".

Stile di citazione Chicago

Zagwijn, Waldo Heliodoor. Aspects of the Pliocene and Early Pleistocene Vegetation in the Netherlands. Maastricht: Utig.-Mij. "Ernest van Aelst", 1960.

Citazione MLA

Zagwijn, Waldo Heliodoor. Aspects of the Pliocene and Early Pleistocene Vegetation in the Netherlands. Utig.-Mij. "Ernest van Aelst", 1960.