Schmidt Petersen, J., & Craigie, J. (1928). The North Frisian dialect of Föhr and Amrum: Grammar and texts with specimens of other dialects. Hutchen.
Chicago Style (17th ed.) CitationSchmidt Petersen, Jürgen, and James Craigie. The North Frisian Dialect of Föhr and Amrum: Grammar and Texts with Specimens of Other Dialects. Edinburgh: Hutchen, 1928.
MLA (9th ed.) CitationSchmidt Petersen, Jürgen, and James Craigie. The North Frisian Dialect of Föhr and Amrum: Grammar and Texts with Specimens of Other Dialects. Hutchen, 1928.
Warning: These citations may not always be 100% accurate.