APA (7th ed.) Citation

Hornby, E. (2002). Gregorian and Old Roman eighth-mode tracts: A case study in the transmission of Western chant. Ashgate.

Chicago Style (17th ed.) Citation

Hornby, Emma. Gregorian and Old Roman Eighth-mode Tracts: A Case Study in the Transmission of Western Chant. Aldershot [u.a.]: Ashgate, 2002.

MLA (8th ed.) Citation

Hornby, Emma. Gregorian and Old Roman Eighth-mode Tracts: A Case Study in the Transmission of Western Chant. Ashgate, 2002.