APA (7th ed.) Citation

Hecker, J. F. C., & Babington, B. G. (1833). The Black Death in the fourteenth century. A. Schloss.

Chicago Style (17th ed.) Citation

Hecker, J. F. C., and B. G. Babington. The Black Death in the Fourteenth Century. London: A. Schloss, 1833.

MLA (9th ed.) Citation

Hecker, J. F. C., and B. G. Babington. The Black Death in the Fourteenth Century. A. Schloss, 1833.