APA (7th ed.) Citation

Nicolau III, p., Gay, J., & Vitte, S. (1938). Les Registres de Nicolas III. E, de Boccard.

Chicago Style (17th ed.) Citation

Nicolau III, papa, Jules Gay, and Suzanne Vitte. Les Registres De Nicolas III. Paris: E, de Boccard, 1938.

MLA (9th ed.) Citation

Nicolau III, papa, et al. Les Registres De Nicolas III. E, de Boccard, 1938.