APA (7th ed.) Citation

Schmidt, H. A. P. (1960). Introductio in liturgiam occidentalem. Herder.

Chicago Style (17th ed.) Citation

Schmidt, Herman A. P. Introductio in Liturgiam Occidentalem. Romae, [Italy]: Herder, 1960.

MLA (8th ed.) Citation

Schmidt, Herman A. P. Introductio in Liturgiam Occidentalem. Herder, 1960.