APA (7th ed.) Citation

Petrus Alfonsi, 1., & Hermes, E. (1977). The Disciplina clericalis of Petrus Alfonsi. Routledge & Kegan Paul.

Chicago Style (17th ed.) Citation

Petrus Alfonsi, 1062-1110?, and Eberhard Hermes. The Disciplina Clericalis of Petrus Alfonsi. London: Routledge & Kegan Paul, 1977.

MLA (9th ed.) Citation

Petrus Alfonsi, 1062-1110?, and Eberhard Hermes. The Disciplina Clericalis of Petrus Alfonsi. Routledge & Kegan Paul, 1977.