Cita APA (7a ed.)

Crystal, D. (1975). What is linguistics? (3rd ed., repr.). Edward Arnold.

Cita Chicago Style (17a ed.)

Crystal, David. What Is Linguistics? 3rd ed., repr. London: Edward Arnold, 1975.

Cita MLA (9a ed.)

Crystal, David. What Is Linguistics? 3rd ed., repr. Edward Arnold, 1975.