APA (7th ed.) Citation

Helmers, H. (1968). Wilhelm Raabe. J. B. Metzler.

Chicago Style (17th ed.) Citation

Helmers, Hermann. Wilhelm Raabe. Stuttgart: J. B. Metzler, 1968.

MLA (8th ed.) Citation

Helmers, Hermann. Wilhelm Raabe. J. B. Metzler, 1968.

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