APA (7th ed.) Citation

Söhnge, P. G. (1967). Tsumeb: A historical sketch. The Committee of the S.W.A. Scientific Society.

Chicago Style (17th ed.) Citation

Söhnge, Paul Gerhard. Tsumeb: A Historical Sketch. Windhoek: The Committee of the S.W.A. Scientific Society, 1967.

MLA (9th ed.) Citation

Söhnge, Paul Gerhard. Tsumeb: A Historical Sketch. The Committee of the S.W.A. Scientific Society, 1967.

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