APA Citation

Hertling, L. (1956). The Roman catacombs and their martyrs. The Bruce Publishing Company.

Chicago Style Citation

Hertling, Ludwig. The Roman Catacombs and Their Martyrs. The Bruce Publishing Company, 1956.

MLA Citation

Hertling, Ludwig. The Roman Catacombs and Their Martyrs. The Bruce Publishing Company, 1956.

Warning: These citations may not always be 100% accurate.