APA-viite (7. p.)

Gibson, W. M. (1967). William D. Howells. University of Minnesota Press.

Chicago-viite (17. p.)

Gibson, William Merriam. William D. Howells. Minneapolis: University of Minnesota Press, 1967.

MLA-viite (9. p.)

Gibson, William Merriam. William D. Howells. University of Minnesota Press, 1967.