APA-Zitierstil (7. Ausg.)

(1961). The waters of the Niger delta: Report on an investigation (2., rev. ed.). Netherlands Engineering Consultants.

Chicago-Zitierstil (17. Ausg.)

The Waters of the Niger Delta: Report on an Investigation. 2., rev. ed. The Hague: Netherlands Engineering Consultants, 1961.

MLA-Zitierstil (9. Ausg.)

The Waters of the Niger Delta: Report on an Investigation. 2., rev. ed. Netherlands Engineering Consultants, 1961.