APA
Hertling L. v., Costelloe M. J. & Kirschbaum E. (1956). The Roman catacombs and their martyrs. London: Darton, Longman & Todd.
Chicago
Hertling Ludwig von, Costelloe M Joseph and Kirschbaum Engelbert. 1956. The Roman catacombs and their martyrs. London: Darton, Longman & Todd.
Harvard
Hertling L. v., Costelloe M. J. and Kirschbaum E. (1956). The Roman catacombs and their martyrs. London: Darton, Longman & Todd.
MLA
Hertling Ludwig von, Costelloe M Joseph and Kirschbaum Engelbert. The Roman catacombs and their martyrs. London: Darton, Longman & Todd. 1956.
TextPublication details: London : Darton, Longman & Todd, ©1956.Description: xiv, 274 p. : ill. ; 18 cmOther classification: 
Opera (Magaz.)