Citazione APA

Haapala, P. (1936). On serpentine rocks in northern Karelia: With 21 figures in text and two maps. Government Press.

Stile di citazione Chicago

Haapala, Paavo. On Serpentine Rocks in Northern Karelia: With 21 Figures in Text and Two Maps. Helsinki: Government Press, 1936.

Citazione MLA

Haapala, Paavo. On Serpentine Rocks in Northern Karelia: With 21 Figures in Text and Two Maps. Government Press, 1936.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.