APA (7th ed.) Citation

Twain, M., & Nobbe, W. (1921). Der geheimnisvolle Fremde. Insel-Verlag.

Chicago Style (17th ed.) Citation

Twain, Mark, and Wilhelm Nobbe. Der Geheimnisvolle Fremde. Leipzig: Insel-Verlag, 1921.

MLA (8th ed.) Citation

Twain, Mark, and Wilhelm Nobbe. Der Geheimnisvolle Fremde. Insel-Verlag, 1921.

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