APA (7th ed.) Citation

Ronald, J., & Amann, P. (1947). Ruth Malverns lange Nacht. Diana Verlag.

Chicago Style (17th ed.) Citation

Ronald, James, and Paul Amann. Ruth Malverns Lange Nacht. Zürich: Diana Verlag, 1947.

MLA (9th ed.) Citation

Ronald, James, and Paul Amann. Ruth Malverns Lange Nacht. Diana Verlag, 1947.

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