APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Helmers, Hermann. Wilhelm Raabe. Metzler, 1968.

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