Campbell, S. (1995). From breviary to liturgy of the hours: The structural reform of the Roman Office 1964 - 1971. Liturgical Press.
Chicago Style (17th ed.) CitationCampbell, Stanislaus. From Breviary to Liturgy of the Hours: The Structural Reform of the Roman Office 1964 - 1971. Collegeville, Minn: Liturgical Press, 1995.
MLA (9th ed.) CitationCampbell, Stanislaus. From Breviary to Liturgy of the Hours: The Structural Reform of the Roman Office 1964 - 1971. Liturgical Press, 1995.
Warning: These citations may not always be 100% accurate.