APA (7th ed.) Citation

Tschudin, W. F. (1958). The ancient paper-mills of Basle and their marks. Paper Publications Society.

Chicago Style (17th ed.) Citation

Tschudin, Walter F. The Ancient Paper-mills of Basle and Their Marks. Hilversum: Paper Publications Society, 1958.

MLA (9th ed.) Citation

Tschudin, Walter F. The Ancient Paper-mills of Basle and Their Marks. Paper Publications Society, 1958.