APA (7th ed.) Citation

Overberg, J. (2010). Kikongo: AusspracheTrainer. Reise-Know-How-Sound.

Chicago Style (17th ed.) Citation

Overberg, Josef. Kikongo: AusspracheTrainer. Bielefeld: Reise-Know-How-Sound, 2010.

MLA (9th ed.) Citation

Overberg, Josef. Kikongo: AusspracheTrainer. Reise-Know-How-Sound, 2010.

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