APA (7th ed.) Citation

Ketter, N. (1970). Esch-sur-alzette. editions claude diderich.

Chicago Style (17th ed.) Citation

Ketter, Norbert. Esch-sur-alzette. Luxembourg: editions claude diderich, 1970.

MLA (8th ed.) Citation

Ketter, Norbert. Esch-sur-alzette. editions claude diderich, 1970.

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