Mark Twain's Letters /
arr. with comment by Albert Bigelow Paine.

APA Citation

Twain, M., Paine, A. Bigelow. (1975). Mark Twain's Letters. New York: AMS Press.

MLA Citation

Twain, Mark, 1835-1910, and Albert Bigelow Paine. Mark Twain's Letters. New York: AMS Press, 1975.

Warning: These citations may not always be complete (especially for serials).