APA (7th ed.) Citation
Athenagoras, a. 2. c., & Schwartz, E. (1891). Libellus pro Christianis. J. C. Hinrichs'sche Buchhandlung.
Chicago Style (17th ed.) Citation
Athenagoras, active 2nd century, and Eduardus Schwartz. Libellus Pro Christianis. Leipzig: J. C. Hinrichs'sche Buchhandlung, 1891.
MLA (9th ed.) Citation
Athenagoras, active 2nd century, and Eduardus Schwartz. Libellus Pro Christianis. J. C. Hinrichs'sche Buchhandlung, 1891.
Warning: These citations may not always be 100% accurate.