APA
Missionary Servants of the Most Blessed Trinity, . (1951). Constitutions. Philadelphia: s.n.
Chicago
Missionary Servants of the Most Blessed Trinity, . 1951. Constitutions. Philadelphia: s.n.
Harvard
Missionary Servants of the Most Blessed Trinity, . (1951). Constitutions. Philadelphia: s.n.
MLA
Missionary Servants of the Most Blessed Trinity, . Constitutions. Philadelphia: s.n. 1951.