APA Citation

Steenstra, B. Geology and petrography of the Kilo region (N. E. Belgian Kongo). [s.l.]: [s.n.].

Chicago Style Citation

Steenstra, B. Geology and Petrography of the Kilo Region (N. E. Belgian Kongo). [s.l.]: [s.n.].

MLA Citation

Steenstra, B. Geology and Petrography of the Kilo Region (N. E. Belgian Kongo). [s.l.]: [s.n.].

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