APA (7th ed.) Citation

Erasmus, D., & Schumacher, O. (1940). Vom freien Willen. Vandenhoeck & Ruprecht.

Chicago Style (17th ed.) Citation

Erasmus, Desiderius, and Otto Schumacher. Vom Freien Willen. Goettingen: Vandenhoeck & Ruprecht, 1940.

MLA (9th ed.) Citation

Erasmus, Desiderius, and Otto Schumacher. Vom Freien Willen. Vandenhoeck & Ruprecht, 1940.

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