APA (7th ed.) Citation

Ildephonsus <Toletanus>, Yarza Urkiola, V., & Codoner Merino, C. (2007). Ildefonsi Toletani episcopi Opera: Ed. Valeriano Yarza Urquiola. Brepols.

Chicago Style (17th ed.) Citation

Ildephonsus <Toletanus>, Valeriano Yarza Urkiola, and Carmen Codoner Merino. Ildefonsi Toletani Episcopi Opera: Ed. Valeriano Yarza Urquiola. Turnhout: Brepols, 2007.

MLA (8th ed.) Citation

Ildephonsus <Toletanus>, et al. Ildefonsi Toletani Episcopi Opera: Ed. Valeriano Yarza Urquiola. Brepols, 2007.