APA (7th ed.) Citation

Agustín, S., & Christopher, J. P. (1946). The first catechetical instruction (De catechizandis rudibus). The Newman Bookshop.

Chicago Style (17th ed.) Citation

Agustín, Santo, and Joseph P. Christopher. The First Catechetical Instruction (De Catechizandis Rudibus). Westminster (Maryland): The Newman Bookshop, 1946.

MLA (9th ed.) Citation

Agustín, Santo, and Joseph P. Christopher. The First Catechetical Instruction (De Catechizandis Rudibus). The Newman Bookshop, 1946.