Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Fries, Peter H., Michael Cummings, David Lockwood, i William Spruiell. Relations and Fuctions Within and Around Language. Londres: Continuum, 2002.

Cita MLA (9th ed.)

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