Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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