APA (7th ed.) Citation

Fornerius, G., Freher, M., Contius, A., & Wedderkop, M. v. (1668). De feudis tractatus. Sumptibus Joannis Petri Zubrody.

Chicago Style (17th ed.) Citation

Fornerius, Gulielmus, Marquard Freher, Antonius Contius, and Magnus von Wedderkop. De Feudis Tractatus. Francofurti: Sumptibus Joannis Petri Zubrody, 1668.

MLA (9th ed.) Citation

Fornerius, Gulielmus, et al. De Feudis Tractatus. Sumptibus Joannis Petri Zubrody, 1668.

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