APA (7th ed.) Citation

Lanne, E., & Janeras, S. Introductio generalis in Liturgiam Orientalem.

Chicago Style (17th ed.) Citation

Lanne, Emmanuele, and Sebastià Janeras. Introductio Generalis in Liturgiam Orientalem. [s.n.t.].

MLA (9th ed.) Citation

Lanne, Emmanuele, and Sebastià Janeras. Introductio Generalis in Liturgiam Orientalem.

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