APA (7th ed.) Citation

Peters, A., Treat, S. B., & Agnew, J. H. (1841). The American eclectic. W.R. Peters.

Chicago Style (17th ed.) Citation

Peters, Absalom, Selah Burr Treat, and John Holmes Agnew. The American Eclectic. New York: W.R. Peters, 1841.

MLA (9th ed.) Citation

Peters, Absalom, et al. The American Eclectic. W.R. Peters, 1841.