Cita APA (7a ed.)

Morris, W., & Morris, M. (1985). Harper dictionary of contemporary usage. Harper and Row.

Cita Chicago Style (17a ed.)

Morris, William, y Mary Morris. Harper Dictionary of Contemporary Usage. New York: Harper and Row, 1985.

Cita MLA (9a ed.)

Morris, William, y Mary Morris. Harper Dictionary of Contemporary Usage. Harper and Row, 1985.