APA (7th ed.) Citation

Dirks, W., & Boll, F. (1987). Gesammelte Schriften. Ammann.

Chicago Style (17th ed.) Citation

Dirks, Walter, and Fritz Boll. Gesammelte Schriften. Zürich: Ammann, 1987.

MLA (9th ed.) Citation

Dirks, Walter, and Fritz Boll. Gesammelte Schriften. Ammann, 1987.

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