APA (7th ed.) Citation

Käfer, A., & Fédou, M. Solus Christus.

Chicago Style (17th ed.) Citation

Käfer, Anne, and Michel Fédou. Solus Christus.

MLA (9th ed.) Citation

Käfer, Anne, and Michel Fédou. Solus Christus.

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