APA (7th ed.) Citation

Hentges, J. E. (1993). The Crosier calendar: Its content and development. Pontificium Institutum Liturgicum.

Chicago Style (17th ed.) Citation

Hentges, James E. The Crosier Calendar: Its Content and Development. Romae: Pontificium Institutum Liturgicum, 1993.

MLA (8th ed.) Citation

Hentges, James E. The Crosier Calendar: Its Content and Development. Pontificium Institutum Liturgicum, 1993.