Citazione Stile APA (7a Edizione)
Twain, M., Clemens, O. L., Clemens, S., & Griffin, B. (2014). A family sketch and other private writings. University of California Press.
Citazione stile Chigago Style (17a edizione)
Twain, Mark, Olivia Langdon Clemens, Susy Clemens, e Benjamin Griffin. A Family Sketch and Other Private Writings. Berkeley, California: University of California Press, 2014.
Citatione MLA (9a ed.)
Twain, Mark, et al. A Family Sketch and Other Private Writings. University of California Press, 2014.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.