Citazione APA

Butts, I. R. (1855). The new business man's assistant, and ready reckoner. [The Author].

Stile di citazione Chicago

Butts, I. R. The New Business Man's Assistant, and Ready Reckoner. Boston: [The Author], 1855.

Citazione MLA

Butts, I. R. The New Business Man's Assistant, and Ready Reckoner. [The Author], 1855.