Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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