APA (7th ed.) Citation

Krupa, V. Albert J. Schütz, Nguna Grammar.

Chicago Style (17th ed.) Citation

Krupa, Viktor. Albert J. Schütz, Nguna Grammar.

MLA (9th ed.) Citation

Krupa, Viktor. Albert J. Schütz, Nguna Grammar.

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