APA (7th ed.) Citation

Cable, G. W., Twain, M., & Turner, A. (1960). Mark Twain [and] G. W. Cable: The record of a literary friendship. Michigan State University Press.

Chicago Style (17th ed.) Citation

Cable, George Washington, Mark Twain, and Arlin Turner. Mark Twain [and] G. W. Cable: The Record of a Literary Friendship. [East Lansing]: Michigan State University Press, 1960.

MLA (8th ed.) Citation

Cable, George Washington, et al. Mark Twain [and] G. W. Cable: The Record of a Literary Friendship. Michigan State University Press, 1960.