Citazione APA

Ripley, G., & Dana, C. A. (1879). The American cyclopædia: A popular dictionary of general knowledge (2d ed., revised.). Appleton.

Stile di citazione Chicago

Ripley, George, e Charles A. Dana. The American Cyclopædia: A Popular Dictionary of General Knowledge. 2d ed., revised. New York [etc.]: Appleton, 1879.

Citazione MLA

Ripley, George, e Charles A. Dana. The American Cyclopædia: A Popular Dictionary of General Knowledge. 2d ed., revised. Appleton, 1879.