Cita APA (7a ed.)

Crystal, D. (1987). Linguistic encounters with language handicap. Basil Blackwell.

Cita Chicago Style (17a ed.)

Crystal, David. Linguistic Encounters with Language Handicap. Oxford [etc.]: Basil Blackwell, 1987.

Cita MLA (9a ed.)

Crystal, David. Linguistic Encounters with Language Handicap. Basil Blackwell, 1987.