Cita APA (7a ed.)

Fries, P. H., Cummings, M., Lockwood, D., & Spruiell, W. (2002). Relations and Functions within and around Language. Continuum.

Cita Chicago Style (17a ed.)

Fries, Peter H., Michael Cummings, David Lockwood, y William Spruiell. Relations and Functions Within and Around Language. London ; New York: Continuum, 2002.

Cita MLA (8a ed.)

Fries, Peter H., et al. Relations and Functions Within and Around Language. Continuum, 2002.