APA (7th ed.) Citation

Mann, I. C. M. (1979). Lern probleme.

Chicago Style (17th ed.) Citation

Mann, Iris Christel Manske. Lern Probleme. 1979.

MLA (9th ed.) Citation

Mann, Iris Christel Manske. Lern Probleme. 1979.

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