Citazione Stile APA (7a Edizione)

ebrary, Inc, Rasmussen, R. K., & Twain, M. (2013). Dear Mark Twain: Letters from his readers. University of California Press.

Citazione stile Chigago Style (17a edizione)

ebrary, Inc, R. Kent Rasmussen, e Mark Twain. Dear Mark Twain: Letters from His Readers. Berkeley: University of California Press, 2013.

Citatione MLA (9a ed.)

ebrary, Inc, et al. Dear Mark Twain: Letters from His Readers. University of California Press, 2013.