APA Style

Bemmelen, R, W, V. (1949). The Geology of Indonesia Vol. II Economic Geology (Vol.2). The Hague: Martinus Nijhoff.

MLA Style

Bemmelen, R., W., Van. "The Geology of Indonesia Vol. II Economic Geology". Vol.2 The Hague: Martinus Nijhoff, 1949. Text.