APA (7th ed.) Citation

Hahn, C. H. L., Vedder, H., & Fourie, L. (1928). The native tribes of South West Africa. Cass.

Chicago Style (17th ed.) Citation

Hahn, Carl Hugo Linsingen, Heinrich Vedder, and Louis Fourie. The Native Tribes of South West Africa. [London]: Cass, 1928.

MLA (9th ed.) Citation

Hahn, Carl Hugo Linsingen, et al. The Native Tribes of South West Africa. Cass, 1928.