APA (7th ed.) Citation

Fussenegger, G. (1954). "Littera septem sigillorum" contra doctrinam Petri Ioannis Olivi edita.

Chicago Style (17th ed.) Citation

Fussenegger, Gerold. "Littera Septem Sigillorum" Contra Doctrinam Petri Ioannis Olivi Edita. 1954.

MLA (9th ed.) Citation

Fussenegger, Gerold. "Littera Septem Sigillorum" Contra Doctrinam Petri Ioannis Olivi Edita. 1954.

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