APA (7th ed.) Citation

Vinzenz Ferrer, H., Trentman, J. A., & Vincentius, F. (1977). Tractatus de suppositionibus Grammatica speculativa.

Chicago Style (17th ed.) Citation

Vinzenz Ferrer, Heiliger, John A. Trentman, and Ferrariensis Vincentius. "Tractatus De Suppositionibus." Grammatica Speculativa 1977.

MLA (9th ed.) Citation

Vinzenz Ferrer, Heiliger, et al. "Tractatus De Suppositionibus." Grammatica Speculativa, 1977.

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