APA (7th ed.) Citation

Ancona, G. d., Gerson, J., Thomas a Kempis, Conradus, . c., & Petrus Pictaviensis. (1454). [Tractatus theologici et morales].

Chicago Style (17th ed.) Citation

Ancona, Guido de, Johannes Gerson, Thomas a Kempis, cop Conradus, and Petrus Pictaviensis. [Tractatus Theologici Et Morales]. 1454.

MLA (9th ed.) Citation

Ancona, Guido de, et al. [Tractatus Theologici Et Morales]. 1454.