The Liber usualis : with introduction and rubrics in English
MLA
The Liber Usualis: with Introduction and Rubrics In English. Tournai, Belgium: Desclée, 1956
APA, 7th edition
(1956). The Liber usualis: with introduction and rubrics in English. Tournai, Belgium: Desclée
Chicago, 17th edition
The Liber usualis: with introduction and rubrics in English. Tournai, Belgium: Desclée, 1956